Add 42/4 and 20/7
1st number: 10 2/4, 2nd number: 2 6/7
42/4 + 20/7 is 187/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
42/4 = 42 × 7/4 × 7 = 294/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
20/7 = 20 × 4/7 × 4 = 80/28 - Add the two like fractions:
294/28 + 80/28 = 294 + 80/28 = 374/28 - 374/28 simplified gives 187/14
- So, 42/4 + 20/7 = 187/14
In mixed form: 135/14
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