Add 72/56 and 9/12
1st number: 1 16/56, 2nd number: 9/12
72/56 + 9/12 is 57/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 12 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
72/56 = 72 × 3/56 × 3 = 216/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
9/12 = 9 × 14/12 × 14 = 126/168 - Add the two like fractions:
216/168 + 126/168 = 216 + 126/168 = 342/168 - 342/168 simplified gives 57/28
- So, 72/56 + 9/12 = 57/28
In mixed form: 21/28
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