Add 15/18 and 54/80
15/18 + 54/80 is 181/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
15/18 = 15 × 40/18 × 40 = 600/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
54/80 = 54 × 9/80 × 9 = 486/720 - Add the two like fractions:
600/720 + 486/720 = 600 + 486/720 = 1086/720 - 1086/720 simplified gives 181/120
- So, 15/18 + 54/80 = 181/120
In mixed form: 161/120
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