Add 42/8 and 70/30
1st number: 5 2/8, 2nd number: 2 10/30
42/8 + 70/30 is 91/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
42/8 = 42 × 15/8 × 15 = 630/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
70/30 = 70 × 4/30 × 4 = 280/120 - Add the two like fractions:
630/120 + 280/120 = 630 + 280/120 = 910/120 - 910/120 simplified gives 91/12
- So, 42/8 + 70/30 = 91/12
In mixed form: 77/12
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