Add 40/50 and 21/63
40/50 + 21/63 is 17/15.
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,
40/50 = 40 × 63/50 × 63 = 2520/3150 - Likewise, for the 2nd fraction, since 63 × 50 = 3150,
21/63 = 21 × 50/63 × 50 = 1050/3150 - Add the two like fractions:
2520/3150 + 1050/3150 = 2520 + 1050/3150 = 3570/3150 - 3570/3150 simplified gives 17/15
- So, 40/50 + 21/63 = 17/15
In mixed form: 12/15
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