Add 20/90 and 16/63
20/90 + 16/63 is 10/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
20/90 = 20 × 7/90 × 7 = 140/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
16/63 = 16 × 10/63 × 10 = 160/630 - Add the two like fractions:
140/630 + 160/630 = 140 + 160/630 = 300/630 - 300/630 simplified gives 10/21
- So, 20/90 + 16/63 = 10/21
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