Add 1/21 and 40/24
1st number: 1/21, 2nd number: 1 16/24
1/21 + 40/24 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
1/21 = 1 × 8/21 × 8 = 8/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
40/24 = 40 × 7/24 × 7 = 280/168 - Add the two like fractions:
8/168 + 280/168 = 8 + 280/168 = 288/168 - 288/168 simplified gives 12/7
- So, 1/21 + 40/24 = 12/7
In mixed form: 15/7
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