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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 702 · 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. 1.2/11 + 2/9 =
  2. 2.4/5 + 3/9 =
  3. 3.4/9 + 5/7 =
  4. 4.4/10 + 1/9 =
  5. 5.1/3 + 1/2 =
  6. 6.1/2 + 3/9 =
  7. 7.2/3 − 2/5 =
  8. 8.2/9 + 2/7 =
  9. 9.1/2 + 10/12 =
  10. 10.2/3 − 3/7 =
  11. 11.8/10 + 3/8 =
  12. 12.3/6 − 1/3 =
  13. 13.2/3 + 1/3 =
  14. 14.7/11 − 3/5 =
  15. 15.2/8 + 3/6 =
  16. 16.2/4 + 1/2 =
  17. 17.7/9 + 8/9 =
  18. 18.1/3 + 8/11 =
  19. 19.6/7 − 1/5 =
  20. 20.4/9 − 4/12 =
  21. 21.4/7 + 1/4 =
  22. 22.1/3 + 1/5 =
  23. 23.2/10 + 5/8 =
  24. 24.1/2 + 2/11 =
  25. 25.2/3 + 1/2 =
  26. 26.1/3 + 1/2 =
  27. 27.1/6 + 3/6 =
  28. 28.1/4 + 1/8 =
  29. 29.3/6 + 3/4 =
  30. 30.5/7 + 4/5 =
  31. 31.7/8 + 1/2 =
  32. 32.2/4 + 1/2 =
  33. 33.9/11 + 5/8 =
  34. 34.1/2 + 2/3 =
  35. 35.1/3 + 7/8 =
  36. 36.1/2 + 5/11 =
  37. 37.1/5 + 10/12 =
  38. 38.1/4 + 9/12 =
  39. 39.9/12 − 2/9 =
  40. 40.5/7 − 3/7 =

Answer key

  1. 40/99
  2. 17/15
  3. 73/63
  4. 23/45
  5. 5/6
  6. 5/6
  7. 4/15
  8. 32/63
  9. 4/3
  10. 5/21
  11. 47/40
  12. 1/6
  13. 1
  14. 2/55
  15. 3/4
  16. 1
  17. 5/3
  18. 35/33
  19. 23/35
  20. 1/9
  21. 23/28
  22. 8/15
  23. 33/40
  24. 15/22
  25. 7/6
  26. 5/6
  27. 2/3
  28. 3/8
  29. 5/4
  30. 53/35
  31. 11/8
  32. 1
  33. 127/88
  34. 7/6
  35. 29/24
  36. 21/22
  37. 31/30
  38. 1
  39. 19/36
  40. 2/7

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