Add 15/40 and 9/8
1st number: 15/40, 2nd number: 1 1/8
15/40 + 9/8 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
15/40 = 15 × 1/40 × 1 = 15/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
9/8 = 9 × 5/8 × 5 = 45/40 - Add the two like fractions:
15/40 + 45/40 = 15 + 45/40 = 60/40 - 60/40 simplified gives 3/2
- So, 15/40 + 9/8 = 3/2
In mixed form: 11/2
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