Add 21/2 and 7/10
1st number: 10 1/2, 2nd number: 7/10
21/2 + 7/10 is 56/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
21/2 = 21 × 5/2 × 5 = 105/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
7/10 = 7 × 1/10 × 1 = 7/10 - Add the two like fractions:
105/10 + 7/10 = 105 + 7/10 = 112/10 - 112/10 simplified gives 56/5
- So, 21/2 + 7/10 = 56/5
In mixed form: 111/5
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