Add 40/12 and 21/8
1st number: 3 4/12, 2nd number: 2 5/8
40/12 + 21/8 is 143/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
40/12 = 40 × 2/12 × 2 = 80/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Add the two like fractions:
80/24 + 63/24 = 80 + 63/24 = 143/24 - So, 40/12 + 21/8 = 143/24
In mixed form: 523/24
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