Add 20/63 and 5/90
20/63 + 5/90 is 47/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
20/63 = 20 × 10/63 × 10 = 200/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
5/90 = 5 × 7/90 × 7 = 35/630 - Add the two like fractions:
200/630 + 35/630 = 200 + 35/630 = 235/630 - 235/630 simplified gives 47/126
- So, 20/63 + 5/90 = 47/126
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