Add 30/7 and 42/8
1st number: 4 2/7, 2nd number: 5 2/8
30/7 + 42/8 is 267/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
30/7 = 30 × 8/7 × 8 = 240/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
42/8 = 42 × 7/8 × 7 = 294/56 - Add the two like fractions:
240/56 + 294/56 = 240 + 294/56 = 534/56 - 534/56 simplified gives 267/28
- So, 30/7 + 42/8 = 267/28
In mixed form: 915/28
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