Add 21/2 and 42/56
1st number: 10 1/2, 2nd number: 42/56
21/2 + 42/56 is 45/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
21/2 = 21 × 28/2 × 28 = 588/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
42/56 = 42 × 1/56 × 1 = 42/56 - Add the two like fractions:
588/56 + 42/56 = 588 + 42/56 = 630/56 - 630/56 simplified gives 45/4
- So, 21/2 + 42/56 = 45/4
In mixed form: 111/4
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