Add 42/70 and 5/15
42/70 + 5/15 is 14/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
42/70 = 42 × 3/70 × 3 = 126/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
5/15 = 5 × 14/15 × 14 = 70/210 - Add the two like fractions:
126/210 + 70/210 = 126 + 70/210 = 196/210 - 196/210 simplified gives 14/15
- So, 42/70 + 5/15 = 14/15
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