Add 18/15 and 54/8
1st number: 1 3/15, 2nd number: 6 6/8
18/15 + 54/8 is 159/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
18/15 = 18 × 8/15 × 8 = 144/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
54/8 = 54 × 15/8 × 15 = 810/120 - Add the two like fractions:
144/120 + 810/120 = 144 + 810/120 = 954/120 - 954/120 simplified gives 159/20
- So, 18/15 + 54/8 = 159/20
In mixed form: 719/20
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