Add 35/28 and 90/12
1st number: 1 7/28, 2nd number: 7 6/12
35/28 + 90/12 is 35/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
35/28 = 35 × 3/28 × 3 = 105/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
90/12 = 90 × 7/12 × 7 = 630/84 - Add the two like fractions:
105/84 + 630/84 = 105 + 630/84 = 735/84 - 735/84 simplified gives 35/4
- So, 35/28 + 90/12 = 35/4
In mixed form: 83/4
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