Add 18/15 and 40/8
1st number: 1 3/15, 2nd number: 5 0/8
18/15 + 40/8 is 31/5.
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,
40/8 = 40 × 15/8 × 15 = 600/120 - Add the two like fractions:
144/120 + 600/120 = 144 + 600/120 = 744/120 - 744/120 simplified gives 31/5
- So, 18/15 + 40/8 = 31/5
In mixed form: 61/5
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