Add 15/56 and 90/12
1st number: 15/56, 2nd number: 7 6/12
15/56 + 90/12 is 435/56.
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,
15/56 = 15 × 3/56 × 3 = 45/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
90/12 = 90 × 14/12 × 14 = 1260/168 - Add the two like fractions:
45/168 + 1260/168 = 45 + 1260/168 = 1305/168 - 1305/168 simplified gives 435/56
- So, 15/56 + 90/12 = 435/56
In mixed form: 743/56
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