Add 42/70 and 8/5
1st number: 42/70, 2nd number: 1 3/5
42/70 + 8/5 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
8/5 = 8 × 14/5 × 14 = 112/70 - Add the two like fractions:
42/70 + 112/70 = 42 + 112/70 = 154/70 - 154/70 simplified gives 11/5
- So, 42/70 + 8/5 = 11/5
In mixed form: 21/5
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