Add 21/2 and 15/60
1st number: 10 1/2, 2nd number: 15/60
21/2 + 15/60 is 43/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 2 × 30 = 60,
21/2 = 21 × 30/2 × 30 = 630/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
15/60 = 15 × 1/60 × 1 = 15/60 - Add the two like fractions:
630/60 + 15/60 = 630 + 15/60 = 645/60 - 645/60 simplified gives 43/4
- So, 21/2 + 15/60 = 43/4
In mixed form: 103/4
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