Add 7/72 and 20/15
1st number: 7/72, 2nd number: 1 5/15
7/72 + 20/15 is 103/72.
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,
7/72 = 7 × 5/72 × 5 = 35/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
20/15 = 20 × 24/15 × 24 = 480/360 - Add the two like fractions:
35/360 + 480/360 = 35 + 480/360 = 515/360 - 515/360 simplified gives 103/72
- So, 7/72 + 20/15 = 103/72
In mixed form: 131/72
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