Add 56/54 and 21/15
1st number: 1 2/54, 2nd number: 1 6/15
56/54 + 21/15 is 329/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 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 15 × 18 = 270,
21/15 = 21 × 18/15 × 18 = 378/270 - Add the two like fractions:
280/270 + 378/270 = 280 + 378/270 = 658/270 - 658/270 simplified gives 329/135
- So, 56/54 + 21/15 = 329/135
In mixed form: 259/135
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