Add 80/42 and 21/24
1st number: 1 38/42, 2nd number: 21/24
80/42 + 21/24 is 467/168.
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,
80/42 = 80 × 4/42 × 4 = 320/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
21/24 = 21 × 7/24 × 7 = 147/168 - Add the two like fractions:
320/168 + 147/168 = 320 + 147/168 = 467/168 - So, 80/42 + 21/24 = 467/168
In mixed form: 2131/168
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