Add 15/28 and 12/7
1st number: 15/28, 2nd number: 1 5/7
15/28 + 12/7 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
15/28 = 15 × 1/28 × 1 = 15/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
12/7 = 12 × 4/7 × 4 = 48/28 - Add the two like fractions:
15/28 + 48/28 = 15 + 48/28 = 63/28 - 63/28 simplified gives 9/4
- So, 15/28 + 12/7 = 9/4
In mixed form: 21/4
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