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Add 21/16 and 54/70

1st number: 1 5/16, 2nd number: 54/70

21/16 + 54/70 is 1167/560.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 70 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 16 × 35 = 560,
    21/16 = 21 × 35/16 × 35 = 735/560
  3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
    54/70 = 54 × 8/70 × 8 = 432/560
  4. Add the two like fractions:
    735/560 + 432/560 = 735 + 432/560 = 1167/560
  5. So, 21/16 + 54/70 = 1167/560
    In mixed form: 247/560

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