Add 20/27 and 42/28
1st number: 20/27, 2nd number: 1 14/28
20/27 + 42/28 is 121/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
20/27 = 20 × 28/27 × 28 = 560/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
42/28 = 42 × 27/28 × 27 = 1134/756 - Add the two like fractions:
560/756 + 1134/756 = 560 + 1134/756 = 1694/756 - 1694/756 simplified gives 121/54
- So, 20/27 + 42/28 = 121/54
In mixed form: 213/54
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