Add 15/54 and 42/80
15/54 + 42/80 is 289/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 54 × 40 = 2160,
15/54 = 15 × 40/54 × 40 = 600/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
42/80 = 42 × 27/80 × 27 = 1134/2160 - Add the two like fractions:
600/2160 + 1134/2160 = 600 + 1134/2160 = 1734/2160 - 1734/2160 simplified gives 289/360
- So, 15/54 + 42/80 = 289/360
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