Add 1/54 and 21/7
1st number: 1/54, 2nd number: 3 0/7
1/54 + 21/7 is 163/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
1/54 = 1 × 7/54 × 7 = 7/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
21/7 = 21 × 54/7 × 54 = 1134/378 - Add the two like fractions:
7/378 + 1134/378 = 7 + 1134/378 = 1141/378 - 1141/378 simplified gives 163/54
- So, 1/54 + 21/7 = 163/54
In mixed form: 31/54
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