Add 21/63 and 20/50
21/63 + 20/50 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 50 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 63 × 50 = 3150,
21/63 = 21 × 50/63 × 50 = 1050/3150 - Likewise, for the 2nd fraction, since 50 × 63 = 3150,
20/50 = 20 × 63/50 × 63 = 1260/3150 - Add the two like fractions:
1050/3150 + 1260/3150 = 1050 + 1260/3150 = 2310/3150 - 2310/3150 simplified gives 11/15
- So, 21/63 + 20/50 = 11/15
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