Add 90/12 and 49/28
1st number: 7 6/12, 2nd number: 1 21/28
90/12 + 49/28 is 37/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 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 28 × 3 = 84,
49/28 = 49 × 3/28 × 3 = 147/84 - Add the two like fractions:
630/84 + 147/84 = 630 + 147/84 = 777/84 - 777/84 simplified gives 37/4
- So, 90/12 + 49/28 = 37/4
In mixed form: 91/4
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