Add 20/72 and 16/15
1st number: 20/72, 2nd number: 1 1/15
20/72 + 16/15 is 121/90.
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,
20/72 = 20 × 5/72 × 5 = 100/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
16/15 = 16 × 24/15 × 24 = 384/360 - Add the two like fractions:
100/360 + 384/360 = 100 + 384/360 = 484/360 - 484/360 simplified gives 121/90
- So, 20/72 + 16/15 = 121/90
In mixed form: 131/90
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