Add 3/28 and 15/7
1st number: 3/28, 2nd number: 2 1/7
3/28 + 15/7 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,
3/28 = 3 × 1/28 × 1 = 3/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
15/7 = 15 × 4/7 × 4 = 60/28 - Add the two like fractions:
3/28 + 60/28 = 3 + 60/28 = 63/28 - 63/28 simplified gives 9/4
- So, 3/28 + 15/7 = 9/4
In mixed form: 21/4
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