Add 28/54 and 20/15
1st number: 28/54, 2nd number: 1 5/15
28/54 + 20/15 is 50/27.
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,
28/54 = 28 × 5/54 × 5 = 140/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
20/15 = 20 × 18/15 × 18 = 360/270 - Add the two like fractions:
140/270 + 360/270 = 140 + 360/270 = 500/270 - 500/270 simplified gives 50/27
- So, 28/54 + 20/15 = 50/27
In mixed form: 123/27
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