Add 80/7 and 9/54
1st number: 11 3/7, 2nd number: 9/54
80/7 + 9/54 is 487/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
80/7 = 80 × 54/7 × 54 = 4320/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
9/54 = 9 × 7/54 × 7 = 63/378 - Add the two like fractions:
4320/378 + 63/378 = 4320 + 63/378 = 4383/378 - 4383/378 simplified gives 487/42
- So, 80/7 + 9/54 = 487/42
In mixed form: 1125/42
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