Add 10/70 and 15/63
10/70 + 15/63 is 8/21.
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,
10/70 = 10 × 9/70 × 9 = 90/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
15/63 = 15 × 10/63 × 10 = 150/630 - Add the two like fractions:
90/630 + 150/630 = 90 + 150/630 = 240/630 - 240/630 simplified gives 8/21
- So, 10/70 + 15/63 = 8/21
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