Add 15/90 and 9/8
1st number: 15/90, 2nd number: 1 1/8
15/90 + 9/8 is 31/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
15/90 = 15 × 4/90 × 4 = 60/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
9/8 = 9 × 45/8 × 45 = 405/360 - Add the two like fractions:
60/360 + 405/360 = 60 + 405/360 = 465/360 - 465/360 simplified gives 31/24
- So, 15/90 + 9/8 = 31/24
In mixed form: 17/24
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