Add 56/54 and 21/90
1st number: 1 2/54, 2nd number: 21/90
56/54 + 21/90 is 343/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
56/54 = 56 × 5/54 × 5 = 280/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
21/90 = 21 × 3/90 × 3 = 63/270 - Add the two like fractions:
280/270 + 63/270 = 280 + 63/270 = 343/270 - So, 56/54 + 21/90 = 343/270
In mixed form: 173/270
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