Add 7/24 and 42/21
1st number: 7/24, 2nd number: 2 0/21
7/24 + 42/21 is 55/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
7/24 = 7 × 7/24 × 7 = 49/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
42/21 = 42 × 8/21 × 8 = 336/168 - Add the two like fractions:
49/168 + 336/168 = 49 + 336/168 = 385/168 - 385/168 simplified gives 55/24
- So, 7/24 + 42/21 = 55/24
In mixed form: 27/24
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