Add 21/14 and 45/63
1st number: 1 7/14, 2nd number: 45/63
21/14 + 45/63 is 31/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
21/14 = 21 × 9/14 × 9 = 189/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
45/63 = 45 × 2/63 × 2 = 90/126 - Add the two like fractions:
189/126 + 90/126 = 189 + 90/126 = 279/126 - 279/126 simplified gives 31/14
- So, 21/14 + 45/63 = 31/14
In mixed form: 23/14
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