Add 42/70 and 3/7
42/70 + 3/7 is 36/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 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 7 × 10 = 70,
3/7 = 3 × 10/7 × 10 = 30/70 - Add the two like fractions:
42/70 + 30/70 = 42 + 30/70 = 72/70 - 72/70 simplified gives 36/35
- So, 42/70 + 3/7 = 36/35
In mixed form: 11/35
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