Add 20/63 and 4/9
20/63 + 4/9 is 16/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
20/63 = 20 × 1/63 × 1 = 20/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
4/9 = 4 × 7/9 × 7 = 28/63 - Add the two like fractions:
20/63 + 28/63 = 20 + 28/63 = 48/63 - 48/63 simplified gives 16/21
- So, 20/63 + 4/9 = 16/21
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