Add 28/30 and 20/54
28/30 + 20/54 is 176/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
28/30 = 28 × 9/30 × 9 = 252/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
20/54 = 20 × 5/54 × 5 = 100/270 - Add the two like fractions:
252/270 + 100/270 = 252 + 100/270 = 352/270 - 352/270 simplified gives 176/135
- So, 28/30 + 20/54 = 176/135
In mixed form: 141/135
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