Add 18/2 and 21/63
1st number: 9 0/2, 2nd number: 21/63
18/2 + 21/63 is 28/3.
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,
18/2 = 18 × 63/2 × 63 = 1134/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
21/63 = 21 × 2/63 × 2 = 42/126 - Add the two like fractions:
1134/126 + 42/126 = 1134 + 42/126 = 1176/126 - 1176/126 simplified gives 28/3
- So, 18/2 + 21/63 = 28/3
In mixed form: 91/3
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