Add 10/63 and 42/70
10/63 + 42/70 is 239/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
10/63 = 10 × 10/63 × 10 = 100/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
42/70 = 42 × 9/70 × 9 = 378/630 - Add the two like fractions:
100/630 + 378/630 = 100 + 378/630 = 478/630 - 478/630 simplified gives 239/315
- So, 10/63 + 42/70 = 239/315
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