Add 72/42 and 56/24
1st number: 1 30/42, 2nd number: 2 8/24
72/42 + 56/24 is 85/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
72/42 = 72 × 4/42 × 4 = 288/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
56/24 = 56 × 7/24 × 7 = 392/168 - Add the two like fractions:
288/168 + 392/168 = 288 + 392/168 = 680/168 - 680/168 simplified gives 85/21
- So, 72/42 + 56/24 = 85/21
In mixed form: 41/21
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