Add 28/7 and 40/54
1st number: 4 0/7, 2nd number: 40/54
28/7 + 40/54 is 128/27.
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,
28/7 = 28 × 54/7 × 54 = 1512/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
40/54 = 40 × 7/54 × 7 = 280/378 - Add the two like fractions:
1512/378 + 280/378 = 1512 + 280/378 = 1792/378 - 1792/378 simplified gives 128/27
- So, 28/7 + 40/54 = 128/27
In mixed form: 420/27
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