Add 45/18 and 21/63
1st number: 2 9/18, 2nd number: 21/63
45/18 + 21/63 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
45/18 = 45 × 7/18 × 7 = 315/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
21/63 = 21 × 2/63 × 2 = 42/126 - Add the two like fractions:
315/126 + 42/126 = 315 + 42/126 = 357/126 - 357/126 simplified gives 17/6
- So, 45/18 + 21/63 = 17/6
In mixed form: 25/6
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