Add 15/54 and 4/20
15/54 + 4/20 is 43/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
15/54 = 15 × 10/54 × 10 = 150/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
4/20 = 4 × 27/20 × 27 = 108/540 - Add the two like fractions:
150/540 + 108/540 = 150 + 108/540 = 258/540 - 258/540 simplified gives 43/90
- So, 15/54 + 4/20 = 43/90
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