Add 15/30 and 56/72
15/30 + 56/72 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
15/30 = 15 × 12/30 × 12 = 180/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
56/72 = 56 × 5/72 × 5 = 280/360 - Add the two like fractions:
180/360 + 280/360 = 180 + 280/360 = 460/360 - 460/360 simplified gives 23/18
- So, 15/30 + 56/72 = 23/18
In mixed form: 15/18
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