Add 45/7 and 20/54
1st number: 6 3/7, 2nd number: 20/54
45/7 + 20/54 is 1285/189.
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,
45/7 = 45 × 54/7 × 54 = 2430/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
20/54 = 20 × 7/54 × 7 = 140/378 - Add the two like fractions:
2430/378 + 140/378 = 2430 + 140/378 = 2570/378 - 2570/378 simplified gives 1285/189
- So, 45/7 + 20/54 = 1285/189
In mixed form: 6151/189
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