Add 15/80 and 30/18
1st number: 15/80, 2nd number: 1 12/18
15/80 + 30/18 is 89/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
15/80 = 15 × 9/80 × 9 = 135/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
30/18 = 30 × 40/18 × 40 = 1200/720 - Add the two like fractions:
135/720 + 1200/720 = 135 + 1200/720 = 1335/720 - 1335/720 simplified gives 89/48
- So, 15/80 + 30/18 = 89/48
In mixed form: 141/48
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