Add 21/50 and 72/63
1st number: 21/50, 2nd number: 1 9/63
21/50 + 72/63 is 547/350.
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,
21/50 = 21 × 63/50 × 63 = 1323/3150 - Likewise, for the 2nd fraction, since 63 × 50 = 3150,
72/63 = 72 × 50/63 × 50 = 3600/3150 - Add the two like fractions:
1323/3150 + 3600/3150 = 1323 + 3600/3150 = 4923/3150 - 4923/3150 simplified gives 547/350
- So, 21/50 + 72/63 = 547/350
In mixed form: 1197/350
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