Add 21/2 and 56/63
1st number: 10 1/2, 2nd number: 56/63
21/2 + 56/63 is 205/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
21/2 = 21 × 63/2 × 63 = 1323/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
56/63 = 56 × 2/63 × 2 = 112/126 - Add the two like fractions:
1323/126 + 112/126 = 1323 + 112/126 = 1435/126 - 1435/126 simplified gives 205/18
- So, 21/2 + 56/63 = 205/18
In mixed form: 117/18
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