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Add 40/70 and 21/16

1st number: 40/70, 2nd number: 1 5/16

40/70 + 21/16 is 211/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 16 is 560
  2. For the 1st fraction, since 70 × 8 = 560,
    40/70 = 40 × 8/70 × 8 = 320/560
  3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
    21/16 = 21 × 35/16 × 35 = 735/560
  4. Add the two fractions:
    320/560 + 735/560 = 320 + 735/560 = 1055/560
  5. After reducing the fraction, the answer is 211/112
  6. In mixed form: 199/112

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