Add 15/70 and 42/63
15/70 + 42/63 is 37/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
15/70 = 15 × 9/70 × 9 = 135/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
42/63 = 42 × 10/63 × 10 = 420/630 - Add the two like fractions:
135/630 + 420/630 = 135 + 420/630 = 555/630 - 555/630 simplified gives 37/42
- So, 15/70 + 42/63 = 37/42
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