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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 176 · 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. 1.3/7 + 6/10 =
  2. 2.2/5 + 2/5 =
  3. 3.4/7 + 6/10 =
  4. 4.8/10 − 5/8 =
  5. 5.9/11 − 2/10 =
  6. 6.2/3 + 1/2 =
  7. 7.2/4 − 1/10 =
  8. 8.1/5 + 7/11 =
  9. 9.1/2 + 1/8 =
  10. 10.4/8 − 1/10 =
  11. 11.7/8 + 1/4 =
  12. 12.4/6 − 3/12 =
  13. 13.8/10 − 2/3 =
  14. 14.1/5 + 4/12 =
  15. 15.4/5 + 6/8 =
  16. 16.1/5 + 1/3 =
  17. 17.8/10 + 3/5 =
  18. 18.1/2 + 5/11 =
  19. 19.8/9 − 3/7 =
  20. 20.3/9 + 2/4 =
  21. 21.2/12 + 2/10 =
  22. 22.7/11 − 1/5 =
  23. 23.1/3 + 6/11 =
  24. 24.8/11 + 5/11 =
  25. 25.1/2 + 1/2 =
  26. 26.3/11 + 3/8 =
  27. 27.4/5 + 1/3 =
  28. 28.1/2 + 3/10 =
  29. 29.5/8 − 2/4 =
  30. 30.1/4 + 6/11 =
  31. 31.6/7 − 1/7 =
  32. 32.6/12 − 2/9 =
  33. 33.1/2 + 3/10 =
  34. 34.1/6 + 1/2 =
  35. 35.2/3 − 2/7 =
  36. 36.2/8 + 6/9 =
  37. 37.2/3 − 4/9 =
  38. 38.4/8 − 1/3 =
  39. 39.6/8 + 2/9 =
  40. 40.2/8 + 5/7 =

Answer key

  1. 36/35
  2. 4/5
  3. 41/35
  4. 7/40
  5. 34/55
  6. 7/6
  7. 2/5
  8. 46/55
  9. 5/8
  10. 2/5
  11. 9/8
  12. 5/12
  13. 2/15
  14. 8/15
  15. 31/20
  16. 8/15
  17. 7/5
  18. 21/22
  19. 29/63
  20. 5/6
  21. 11/30
  22. 24/55
  23. 29/33
  24. 13/11
  25. 1
  26. 57/88
  27. 17/15
  28. 4/5
  29. 1/8
  30. 35/44
  31. 5/7
  32. 5/18
  33. 4/5
  34. 2/3
  35. 8/21
  36. 11/12
  37. 2/9
  38. 1/6
  39. 35/36
  40. 27/28

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