Add 80/54 and 9/42
1st number: 1 26/54, 2nd number: 9/42
80/54 + 9/42 is 641/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
80/54 = 80 × 7/54 × 7 = 560/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
9/42 = 9 × 9/42 × 9 = 81/378 - Add the two like fractions:
560/378 + 81/378 = 560 + 81/378 = 641/378 - So, 80/54 + 9/42 = 641/378
In mixed form: 1263/378
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