Add 15/27 and 7/20
15/27 + 7/20 is 163/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
15/27 = 15 × 20/27 × 20 = 300/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
7/20 = 7 × 27/20 × 27 = 189/540 - Add the two like fractions:
300/540 + 189/540 = 300 + 189/540 = 489/540 - 489/540 simplified gives 163/180
- So, 15/27 + 7/20 = 163/180
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