Add 21/5 and 63/56
1st number: 4 1/5, 2nd number: 1 7/56
21/5 + 63/56 is 213/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
21/5 = 21 × 56/5 × 56 = 1176/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
63/56 = 63 × 5/56 × 5 = 315/280 - Add the two like fractions:
1176/280 + 315/280 = 1176 + 315/280 = 1491/280 - 1491/280 simplified gives 213/40
- So, 21/5 + 63/56 = 213/40
In mixed form: 513/40
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