Add 9/72 and 18/15
1st number: 9/72, 2nd number: 1 3/15
9/72 + 18/15 is 53/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 15 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
18/15 = 18 × 24/15 × 24 = 432/360 - Add the two like fractions:
45/360 + 432/360 = 45 + 432/360 = 477/360 - 477/360 simplified gives 53/40
- So, 9/72 + 18/15 = 53/40
In mixed form: 113/40
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