Add 40/7 and 28/54
1st number: 5 5/7, 2nd number: 28/54
40/7 + 28/54 is 1178/189.
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,
40/7 = 40 × 54/7 × 54 = 2160/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
28/54 = 28 × 7/54 × 7 = 196/378 - Add the two like fractions:
2160/378 + 196/378 = 2160 + 196/378 = 2356/378 - 2356/378 simplified gives 1178/189
- So, 40/7 + 28/54 = 1178/189
In mixed form: 644/189
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