Add 7/63 and 8/90
7/63 + 8/90 is 1/5.
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,
7/63 = 7 × 10/63 × 10 = 70/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
8/90 = 8 × 7/90 × 7 = 56/630 - Add the two like fractions:
70/630 + 56/630 = 70 + 56/630 = 126/630 - 126/630 simplified gives 1/5
- So, 7/63 + 8/90 = 1/5
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