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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 956 · 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. 1.2/5 + 3/10 =
  2. 2.4/11 + 9/12 =
  3. 3.1/2 + 1/2 =
  4. 4.4/10 + 1/3 =
  5. 5.1/4 + 1/2 =
  6. 6.1/2 − 2/11 =
  7. 7.3/4 + 3/12 =
  8. 8.3/8 − 1/3 =
  9. 9.2/4 + 2/7 =
  10. 10.4/12 + 3/8 =
  11. 11.2/3 − 2/10 =
  12. 12.4/8 + 1/2 =
  13. 13.11/12 − 6/11 =
  14. 14.1/2 + 2/5 =
  15. 15.11/12 + 2/11 =
  16. 16.5/7 + 1/4 =
  17. 17.3/4 − 6/9 =
  18. 18.4/9 + 2/6 =
  19. 19.2/8 − 1/7 =
  20. 20.1/2 + 4/6 =
  21. 21.8/11 − 1/2 =
  22. 22.6/9 − 1/4 =
  23. 23.3/5 + 6/7 =
  24. 24.4/5 − 6/11 =
  25. 25.1/2 + 1/3 =
  26. 26.2/11 + 3/4 =
  27. 27.11/12 + 8/12 =
  28. 28.3/4 + 2/3 =
  29. 29.4/5 − 1/3 =
  30. 30.1/2 − 1/5 =
  31. 31.2/4 + 2/8 =
  32. 32.2/3 + 1/3 =
  33. 33.1/2 − 1/3 =
  34. 34.5/7 + 1/9 =
  35. 35.5/10 + 3/12 =
  36. 36.1/3 + 5/10 =
  37. 37.2/3 − 5/8 =
  38. 38.5/11 + 1/4 =
  39. 39.5/9 − 5/12 =
  40. 40.2/5 − 2/11 =

Answer key

  1. 7/10
  2. 49/44
  3. 1
  4. 11/15
  5. 3/4
  6. 7/22
  7. 1
  8. 1/24
  9. 11/14
  10. 17/24
  11. 7/15
  12. 1
  13. 49/132
  14. 9/10
  15. 145/132
  16. 27/28
  17. 1/12
  18. 7/9
  19. 3/28
  20. 7/6
  21. 5/22
  22. 5/12
  23. 51/35
  24. 14/55
  25. 5/6
  26. 41/44
  27. 19/12
  28. 17/12
  29. 7/15
  30. 3/10
  31. 3/4
  32. 1
  33. 1/6
  34. 52/63
  35. 3/4
  36. 5/6
  37. 1/24
  38. 31/44
  39. 5/36
  40. 12/55

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