Add 20/27 and 28/60
20/27 + 28/60 is 163/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
20/27 = 20 × 20/27 × 20 = 400/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
28/60 = 28 × 9/60 × 9 = 252/540 - Add the two like fractions:
400/540 + 252/540 = 400 + 252/540 = 652/540 - 652/540 simplified gives 163/135
- So, 20/27 + 28/60 = 163/135
In mixed form: 128/135
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