Add 18/7 and 20/24
1st number: 2 4/7, 2nd number: 20/24
18/7 + 20/24 is 143/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
18/7 = 18 × 24/7 × 24 = 432/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Add the two like fractions:
432/168 + 140/168 = 432 + 140/168 = 572/168 - 572/168 simplified gives 143/42
- So, 18/7 + 20/24 = 143/42
In mixed form: 317/42
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