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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 882 · 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. 1.7/9 + 7/10 =
  2. 2.3/4 + 3/12 =
  3. 3.1/4 + 1/2 =
  4. 4.1/4 + 5/8 =
  5. 5.5/11 − 1/4 =
  6. 6.6/7 + 2/5 =
  7. 7.2/3 + 2/9 =
  8. 8.8/10 − 1/3 =
  9. 9.3/9 + 3/9 =
  10. 10.6/8 − 6/9 =
  11. 11.1/3 + 5/7 =
  12. 12.1/6 + 2/4 =
  13. 13.6/9 − 2/5 =
  14. 14.1/9 + 11/12 =
  15. 15.4/5 + 10/12 =
  16. 16.2/7 − 2/11 =
  17. 17.3/8 + 6/12 =
  18. 18.4/5 + 8/11 =
  19. 19.4/6 + 4/12 =
  20. 20.6/9 + 7/8 =
  21. 21.4/10 + 6/9 =
  22. 22.1/3 + 6/8 =
  23. 23.5/6 + 1/2 =
  24. 24.3/4 − 4/7 =
  25. 25.3/8 + 6/11 =
  26. 26.2/4 + 3/10 =
  27. 27.1/4 + 1/8 =
  28. 28.2/5 + 1/3 =
  29. 29.3/11 + 5/9 =
  30. 30.2/5 + 5/7 =
  31. 31.3/6 + 1/2 =
  32. 32.1/3 + 2/5 =
  33. 33.7/8 − 2/8 =
  34. 34.1/5 + 4/5 =
  35. 35.5/11 + 2/9 =
  36. 36.7/10 + 5/6 =
  37. 37.2/4 + 3/4 =
  38. 38.1/2 + 4/8 =
  39. 39.1/9 + 5/7 =
  40. 40.3/12 + 3/9 =

Answer key

  1. 133/90
  2. 1
  3. 3/4
  4. 7/8
  5. 9/44
  6. 44/35
  7. 8/9
  8. 7/15
  9. 2/3
  10. 1/12
  11. 22/21
  12. 2/3
  13. 4/15
  14. 37/36
  15. 49/30
  16. 8/77
  17. 7/8
  18. 84/55
  19. 1
  20. 37/24
  21. 16/15
  22. 13/12
  23. 4/3
  24. 5/28
  25. 81/88
  26. 4/5
  27. 3/8
  28. 11/15
  29. 82/99
  30. 39/35
  31. 1
  32. 11/15
  33. 5/8
  34. 1
  35. 67/99
  36. 23/15
  37. 5/4
  38. 1
  39. 52/63
  40. 7/12

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