Add 7/30 and 42/63
7/30 + 42/63 is 9/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
7/30 = 7 × 21/30 × 21 = 147/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
42/63 = 42 × 10/63 × 10 = 420/630 - Add the two like fractions:
147/630 + 420/630 = 147 + 420/630 = 567/630 - 567/630 simplified gives 9/10
- So, 7/30 + 42/63 = 9/10
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