Add 49/21 and 56/54
1st number: 2 7/21, 2nd number: 1 2/54
49/21 + 56/54 is 91/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
49/21 = 49 × 18/21 × 18 = 882/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
56/54 = 56 × 7/54 × 7 = 392/378 - Add the two like fractions:
882/378 + 392/378 = 882 + 392/378 = 1274/378 - 1274/378 simplified gives 91/27
- So, 49/21 + 56/54 = 91/27
In mixed form: 310/27
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