Add 15/40 and 90/80
1st number: 15/40, 2nd number: 1 10/80
15/40 + 90/80 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
15/40 = 15 × 2/40 × 2 = 30/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Add the two like fractions:
30/80 + 90/80 = 30 + 90/80 = 120/80 - 120/80 simplified gives 3/2
- So, 15/40 + 90/80 = 3/2
In mixed form: 11/2
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