Add 28/63 and 35/70
28/63 + 35/70 is 17/18.
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,
28/63 = 28 × 10/63 × 10 = 280/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
35/70 = 35 × 9/70 × 9 = 315/630 - Add the two like fractions:
280/630 + 315/630 = 280 + 315/630 = 595/630 - 595/630 simplified gives 17/18
- So, 28/63 + 35/70 = 17/18
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