Add 42/27 and 30/28
1st number: 1 15/27, 2nd number: 1 2/28
42/27 + 30/28 is 331/126.
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,
42/27 = 42 × 28/27 × 28 = 1176/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
30/28 = 30 × 27/28 × 27 = 810/756 - Add the two like fractions:
1176/756 + 810/756 = 1176 + 810/756 = 1986/756 - 1986/756 simplified gives 331/126
- So, 42/27 + 30/28 = 331/126
In mixed form: 279/126
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