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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 795 · 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. 1.6/9 + 2/6 =
  2. 2.4/5 + 7/12 =
  3. 3.4/6 − 1/6 =
  4. 4.1/3 − 1/9 =
  5. 5.3/8 + 3/7 =
  6. 6.2/5 + 2/11 =
  7. 7.1/2 − 2/5 =
  8. 8.7/8 + 1/2 =
  9. 9.7/8 − 3/5 =
  10. 10.2/3 + 2/6 =
  11. 11.5/7 + 2/8 =
  12. 12.2/3 + 8/11 =
  13. 13.2/5 + 1/3 =
  14. 14.6/12 − 1/4 =
  15. 15.2/3 − 1/5 =
  16. 16.4/7 − 1/8 =
  17. 17.5/9 + 2/7 =
  18. 18.4/7 − 2/4 =
  19. 19.1/11 + 4/7 =
  20. 20.4/7 + 3/6 =
  21. 21.6/10 − 1/2 =
  22. 22.4/5 + 1/6 =
  23. 23.2/5 + 1/4 =
  24. 24.6/7 − 4/12 =
  25. 25.3/4 − 5/7 =
  26. 26.1/5 + 4/5 =
  27. 27.2/4 + 7/8 =
  28. 28.5/8 + 2/4 =
  29. 29.4/12 − 1/10 =
  30. 30.4/9 + 5/6 =
  31. 31.1/3 + 1/9 =
  32. 32.1/4 + 3/8 =
  33. 33.4/9 + 2/8 =
  34. 34.5/10 + 2/4 =
  35. 35.5/8 + 2/3 =
  36. 36.1/2 − 2/7 =
  37. 37.1/3 − 3/11 =
  38. 38.5/10 − 3/8 =
  39. 39.2/4 + 2/4 =
  40. 40.8/11 − 5/8 =

Answer key

  1. 1
  2. 83/60
  3. 1/2
  4. 2/9
  5. 45/56
  6. 32/55
  7. 1/10
  8. 11/8
  9. 11/40
  10. 1
  11. 27/28
  12. 46/33
  13. 11/15
  14. 1/4
  15. 7/15
  16. 25/56
  17. 53/63
  18. 1/14
  19. 51/77
  20. 15/14
  21. 1/10
  22. 29/30
  23. 13/20
  24. 11/21
  25. 1/28
  26. 1
  27. 11/8
  28. 9/8
  29. 7/30
  30. 23/18
  31. 4/9
  32. 5/8
  33. 25/36
  34. 1
  35. 31/24
  36. 3/14
  37. 2/33
  38. 1/8
  39. 1
  40. 9/88

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