Solutions by everydaycalculation.com

## Add 42/70 and 3/30

42/70 + 3/30 is 7/10.

#### Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
2. For the 1st fraction, since 70 × 3 = 210,
42/70 = 42 × 3/70 × 3 = 126/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
3/30 = 3 × 7/30 × 7 = 21/210
4. Add the two fractions:
126/210 + 21/210 = 126 + 21/210 = 147/210
5. After reducing the fraction, the answer is 7/10

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