Add 15/63 and 28/70
15/63 + 28/70 is 67/105.
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,
15/63 = 15 × 10/63 × 10 = 150/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Add the two like fractions:
150/630 + 252/630 = 150 + 252/630 = 402/630 - 402/630 simplified gives 67/105
- So, 15/63 + 28/70 = 67/105
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