Add 28/15 and 63/54
1st number: 1 13/15, 2nd number: 1 9/54
28/15 + 63/54 is 91/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
28/15 = 28 × 18/15 × 18 = 504/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
63/54 = 63 × 5/54 × 5 = 315/270 - Add the two like fractions:
504/270 + 315/270 = 504 + 315/270 = 819/270 - 819/270 simplified gives 91/30
- So, 28/15 + 63/54 = 91/30
In mixed form: 31/30
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