Add 21/54 and 56/14
1st number: 21/54, 2nd number: 4 0/14
21/54 + 56/14 is 79/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
21/54 = 21 × 7/54 × 7 = 147/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
56/14 = 56 × 27/14 × 27 = 1512/378 - Add the two like fractions:
147/378 + 1512/378 = 147 + 1512/378 = 1659/378 - 1659/378 simplified gives 79/18
- So, 21/54 + 56/14 = 79/18
In mixed form: 47/18
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