Add 4/72 and 42/15
1st number: 4/72, 2nd number: 2 12/15
4/72 + 42/15 is 257/90.
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,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
42/15 = 42 × 24/15 × 24 = 1008/360 - Add the two like fractions:
20/360 + 1008/360 = 20 + 1008/360 = 1028/360 - 1028/360 simplified gives 257/90
- So, 4/72 + 42/15 = 257/90
In mixed form: 277/90
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