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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 295 · 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. 1.2/4 + 4/5 =
  2. 2.10/11 − 1/11 =
  3. 3.4/12 + 1/2 =
  4. 4.3/4 + 4/5 =
  5. 5.5/8 − 1/4 =
  6. 6.9/11 − 1/8 =
  7. 7.5/8 + 6/8 =
  8. 8.7/9 + 1/9 =
  9. 9.1/2 + 7/12 =
  10. 10.8/10 + 4/7 =
  11. 11.4/6 + 6/7 =
  12. 12.6/11 − 1/2 =
  13. 13.10/12 − 7/11 =
  14. 14.1/2 + 4/7 =
  15. 15.5/8 + 2/4 =
  16. 16.6/12 − 1/7 =
  17. 17.4/5 + 2/7 =
  18. 18.6/7 − 1/2 =
  19. 19.4/6 + 6/9 =
  20. 20.5/8 + 4/7 =
  21. 21.6/11 + 2/7 =
  22. 22.5/7 − 2/5 =
  23. 23.8/10 + 4/7 =
  24. 24.1/3 + 3/9 =
  25. 25.1/4 + 5/8 =
  26. 26.1/2 + 2/3 =
  27. 27.1/4 + 10/12 =
  28. 28.7/10 − 1/2 =
  29. 29.1/7 + 3/11 =
  30. 30.3/4 + 1/2 =
  31. 31.1/2 + 5/8 =
  32. 32.2/6 + 1/3 =
  33. 33.3/7 + 5/10 =
  34. 34.3/4 − 2/4 =
  35. 35.4/7 − 5/9 =
  36. 36.3/6 − 1/9 =
  37. 37.1/2 + 3/9 =
  38. 38.8/10 + 2/3 =
  39. 39.2/3 − 5/11 =
  40. 40.6/9 + 7/8 =

Answer key

  1. 13/10
  2. 9/11
  3. 5/6
  4. 31/20
  5. 3/8
  6. 61/88
  7. 11/8
  8. 8/9
  9. 13/12
  10. 48/35
  11. 32/21
  12. 1/22
  13. 13/66
  14. 15/14
  15. 9/8
  16. 5/14
  17. 38/35
  18. 5/14
  19. 4/3
  20. 67/56
  21. 64/77
  22. 11/35
  23. 48/35
  24. 2/3
  25. 7/8
  26. 7/6
  27. 13/12
  28. 1/5
  29. 32/77
  30. 5/4
  31. 9/8
  32. 2/3
  33. 13/14
  34. 1/4
  35. 1/63
  36. 7/18
  37. 5/6
  38. 22/15
  39. 7/33
  40. 37/24

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