Add 45/12 and 21/24
1st number: 3 9/12, 2nd number: 21/24
45/12 + 21/24 is 37/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
45/12 = 45 × 2/12 × 2 = 90/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Add the two like fractions:
90/24 + 21/24 = 90 + 21/24 = 111/24 - 111/24 simplified gives 37/8
- So, 45/12 + 21/24 = 37/8
In mixed form: 45/8
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