Add 3/70 and 15/42
3/70 + 15/42 is 2/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
3/70 = 3 × 3/70 × 3 = 9/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
15/42 = 15 × 5/42 × 5 = 75/210 - Add the two like fractions:
9/210 + 75/210 = 9 + 75/210 = 84/210 - 84/210 simplified gives 2/5
- So, 3/70 + 15/42 = 2/5
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