Add 72/15 and 70/72
1st number: 4 12/15, 2nd number: 70/72
72/15 + 70/72 is 1039/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
72/15 = 72 × 24/15 × 24 = 1728/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Add the two like fractions:
1728/360 + 350/360 = 1728 + 350/360 = 2078/360 - 2078/360 simplified gives 1039/180
- So, 72/15 + 70/72 = 1039/180
In mixed form: 5139/180
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