Add 30/8 and 42/7
1st number: 3 6/8, 2nd number: 6 0/7
30/8 + 42/7 is 39/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
30/8 = 30 × 7/8 × 7 = 210/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
42/7 = 42 × 8/7 × 8 = 336/56 - Add the two like fractions:
210/56 + 336/56 = 210 + 336/56 = 546/56 - 546/56 simplified gives 39/4
- So, 30/8 + 42/7 = 39/4
In mixed form: 93/4
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