Add 90/12 and 72/14
1st number: 7 6/12, 2nd number: 5 2/14
90/12 + 72/14 is 177/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
90/12 = 90 × 7/12 × 7 = 630/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
72/14 = 72 × 6/14 × 6 = 432/84 - Add the two like fractions:
630/84 + 432/84 = 630 + 432/84 = 1062/84 - 1062/84 simplified gives 177/14
- So, 90/12 + 72/14 = 177/14
In mixed form: 129/14
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