Add 20/63 and 25/30
20/63 + 25/30 is 145/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 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 30 × 21 = 630,
25/30 = 25 × 21/30 × 21 = 525/630 - Add the two like fractions:
200/630 + 525/630 = 200 + 525/630 = 725/630 - 725/630 simplified gives 145/126
- So, 20/63 + 25/30 = 145/126
In mixed form: 119/126
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