Add 20/50 and 42/63
20/50 + 42/63 is 16/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 63 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 50 × 63 = 3150,
20/50 = 20 × 63/50 × 63 = 1260/3150 - Likewise, for the 2nd fraction, since 63 × 50 = 3150,
42/63 = 42 × 50/63 × 50 = 2100/3150 - Add the two like fractions:
1260/3150 + 2100/3150 = 1260 + 2100/3150 = 3360/3150 - 3360/3150 simplified gives 16/15
- So, 20/50 + 42/63 = 16/15
In mixed form: 11/15
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