Add 35/15 and 81/72
1st number: 2 5/15, 2nd number: 1 9/72
35/15 + 81/72 is 83/24.
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,
35/15 = 35 × 24/15 × 24 = 840/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
81/72 = 81 × 5/72 × 5 = 405/360 - Add the two like fractions:
840/360 + 405/360 = 840 + 405/360 = 1245/360 - 1245/360 simplified gives 83/24
- So, 35/15 + 81/72 = 83/24
In mixed form: 311/24
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