Add 20/72 and 56/15
1st number: 20/72, 2nd number: 3 11/15
20/72 + 56/15 is 361/90.
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,
56/15 = 56 × 24/15 × 24 = 1344/360 - Add the two like fractions:
100/360 + 1344/360 = 100 + 1344/360 = 1444/360 - 1444/360 simplified gives 361/90
- So, 20/72 + 56/15 = 361/90
In mixed form: 41/90
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