Add 7/54 and 21/7
1st number: 7/54, 2nd number: 3 0/7
7/54 + 21/7 is 169/54.
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,
7/54 = 7 × 7/54 × 7 = 49/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
21/7 = 21 × 54/7 × 54 = 1134/378 - Add the two like fractions:
49/378 + 1134/378 = 49 + 1134/378 = 1183/378 - 1183/378 simplified gives 169/54
- So, 7/54 + 21/7 = 169/54
In mixed form: 37/54
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