Add 36/21 and 20/24
1st number: 1 15/21, 2nd number: 20/24
36/21 + 20/24 is 107/42.
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,
36/21 = 36 × 8/21 × 8 = 288/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Add the two like fractions:
288/168 + 140/168 = 288 + 140/168 = 428/168 - 428/168 simplified gives 107/42
- So, 36/21 + 20/24 = 107/42
In mixed form: 223/42
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