Add 21/81 and 15/50
21/81 + 15/50 is 151/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 50 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 81 × 50 = 4050,
21/81 = 21 × 50/81 × 50 = 1050/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
15/50 = 15 × 81/50 × 81 = 1215/4050 - Add the two like fractions:
1050/4050 + 1215/4050 = 1050 + 1215/4050 = 2265/4050 - 2265/4050 simplified gives 151/270
- So, 21/81 + 15/50 = 151/270
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