Add 21/5 and 56/63
1st number: 4 1/5, 2nd number: 56/63
21/5 + 56/63 is 229/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
21/5 = 21 × 63/5 × 63 = 1323/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
56/63 = 56 × 5/63 × 5 = 280/315 - Add the two like fractions:
1323/315 + 280/315 = 1323 + 280/315 = 1603/315 - 1603/315 simplified gives 229/45
- So, 21/5 + 56/63 = 229/45
In mixed form: 54/45
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