Add 18/15 and 1/40
1st number: 1 3/15, 2nd number: 1/40
18/15 + 1/40 is 49/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 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 40 × 3 = 120,
1/40 = 1 × 3/40 × 3 = 3/120 - Add the two like fractions:
144/120 + 3/120 = 144 + 3/120 = 147/120 - 147/120 simplified gives 49/40
- So, 18/15 + 1/40 = 49/40
In mixed form: 19/40
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