Add 90/12 and 15/56
1st number: 7 6/12, 2nd number: 15/56
90/12 + 15/56 is 435/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
90/12 = 90 × 14/12 × 14 = 1260/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168 - Add the two like fractions:
1260/168 + 45/168 = 1260 + 45/168 = 1305/168 - 1305/168 simplified gives 435/56
- So, 90/12 + 15/56 = 435/56
In mixed form: 743/56
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