Add 15/4 and 42/49
1st number: 3 3/4, 2nd number: 42/49
15/4 + 42/49 is 129/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
15/4 = 15 × 49/4 × 49 = 735/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
42/49 = 42 × 4/49 × 4 = 168/196 - Add the two like fractions:
735/196 + 168/196 = 735 + 168/196 = 903/196 - 903/196 simplified gives 129/28
- So, 15/4 + 42/49 = 129/28
In mixed form: 417/28
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