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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 879 · 40 sums
TalentJR

The trick (Urdhva Tiryagbhyam): Top: multiply crosswise — first top × second bottom, then first bottom × second top — and add (or subtract). Bottom: multiply the two bottoms. Simplify by dividing top and bottom by their HCF. Give the answer as a fraction like 17/12.

NameDateTime takenScore ___ / 40
  1. 1.3/5 + 1/2 =
  2. 2.3/4 + 5/12 =
  3. 3.1/2 − 2/7 =
  4. 4.2/5 + 3/6 =
  5. 5.4/11 + 2/5 =
  6. 6.6/7 + 2/3 =
  7. 7.1/2 + 11/12 =
  8. 8.6/11 + 2/7 =
  9. 9.9/10 − 6/11 =
  10. 10.11/12 − 3/10 =
  11. 11.4/10 − 1/3 =
  12. 12.7/10 + 4/10 =
  13. 13.5/7 − 5/8 =
  14. 14.3/4 − 3/11 =
  15. 15.4/6 − 2/8 =
  16. 16.5/8 − 1/6 =
  17. 17.5/11 + 2/12 =
  18. 18.4/11 − 1/3 =
  19. 19.1/3 + 3/7 =
  20. 20.7/8 − 3/6 =
  21. 21.1/2 + 5/9 =
  22. 22.5/6 + 2/5 =
  23. 23.5/6 + 6/8 =
  24. 24.9/12 − 4/6 =
  25. 25.1/2 + 2/3 =
  26. 26.1/2 + 1/11 =
  27. 27.4/8 + 2/9 =
  28. 28.1/5 + 1/8 =
  29. 29.3/4 − 2/7 =
  30. 30.2/3 + 2/11 =
  31. 31.5/12 + 1/6 =
  32. 32.7/9 − 1/7 =
  33. 33.3/4 + 1/7 =
  34. 34.6/10 − 7/12 =
  35. 35.7/10 + 3/6 =
  36. 36.3/8 + 1/3 =
  37. 37.3/9 + 1/4 =
  38. 38.2/5 + 6/7 =
  39. 39.6/8 + 8/10 =
  40. 40.2/5 + 3/4 =

Answer key

  1. 11/10
  2. 7/6
  3. 3/14
  4. 9/10
  5. 42/55
  6. 32/21
  7. 17/12
  8. 64/77
  9. 39/110
  10. 37/60
  11. 1/15
  12. 11/10
  13. 5/56
  14. 21/44
  15. 5/12
  16. 11/24
  17. 41/66
  18. 1/33
  19. 16/21
  20. 3/8
  21. 19/18
  22. 37/30
  23. 19/12
  24. 1/12
  25. 7/6
  26. 13/22
  27. 13/18
  28. 13/40
  29. 13/28
  30. 28/33
  31. 7/12
  32. 40/63
  33. 25/28
  34. 1/60
  35. 6/5
  36. 17/24
  37. 7/12
  38. 44/35
  39. 31/20
  40. 23/20

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