Add 15/8 and 30/18
1st number: 1 7/8, 2nd number: 1 12/18
15/8 + 30/18 is 85/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
15/8 = 15 × 9/8 × 9 = 135/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
30/18 = 30 × 4/18 × 4 = 120/72 - Add the two like fractions:
135/72 + 120/72 = 135 + 120/72 = 255/72 - 255/72 simplified gives 85/24
- So, 15/8 + 30/18 = 85/24
In mixed form: 313/24
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