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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 986 · 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. 1.2/7 − 1/7 =
  2. 2.5/9 − 1/2 =
  3. 3.4/6 + 2/6 =
  4. 4.10/11 + 1/11 =
  5. 5.3/4 + 5/6 =
  6. 6.3/4 − 3/5 =
  7. 7.1/11 + 1/7 =
  8. 8.1/9 + 3/6 =
  9. 9.2/3 − 2/8 =
  10. 10.2/3 + 2/5 =
  11. 11.3/12 − 2/10 =
  12. 12.4/5 + 4/5 =
  13. 13.1/2 + 1/2 =
  14. 14.1/3 + 7/8 =
  15. 15.1/7 + 8/10 =
  16. 16.1/4 + 1/3 =
  17. 17.4/8 + 1/2 =
  18. 18.3/6 + 4/5 =
  19. 19.4/6 − 7/12 =
  20. 20.8/9 − 1/3 =
  21. 21.4/6 + 1/4 =
  22. 22.1/3 + 4/12 =
  23. 23.1/2 + 8/9 =
  24. 24.5/9 + 5/9 =
  25. 25.1/10 + 4/5 =
  26. 26.2/8 − 2/9 =
  27. 27.2/3 − 1/2 =
  28. 28.3/11 − 1/10 =
  29. 29.1/2 + 1/2 =
  30. 30.9/10 + 2/11 =
  31. 31.7/11 + 2/12 =
  32. 32.10/11 + 1/7 =
  33. 33.8/11 + 2/7 =
  34. 34.2/4 + 9/11 =
  35. 35.2/3 − 1/5 =
  36. 36.4/11 + 3/7 =
  37. 37.8/12 + 2/5 =
  38. 38.6/7 + 3/10 =
  39. 39.2/3 + 2/3 =
  40. 40.6/8 + 7/9 =

Answer key

  1. 1/7
  2. 1/18
  3. 1
  4. 1
  5. 19/12
  6. 3/20
  7. 18/77
  8. 11/18
  9. 5/12
  10. 16/15
  11. 1/20
  12. 8/5
  13. 1
  14. 29/24
  15. 33/35
  16. 7/12
  17. 1
  18. 13/10
  19. 1/12
  20. 5/9
  21. 11/12
  22. 2/3
  23. 25/18
  24. 10/9
  25. 9/10
  26. 1/36
  27. 1/6
  28. 19/110
  29. 1
  30. 119/110
  31. 53/66
  32. 81/77
  33. 78/77
  34. 29/22
  35. 7/15
  36. 61/77
  37. 16/15
  38. 81/70
  39. 4/3
  40. 55/36

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