Add 72/15 and 15/54
1st number: 4 12/15, 2nd number: 15/54
72/15 + 15/54 is 457/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
72/15 = 72 × 18/15 × 18 = 1296/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
15/54 = 15 × 5/54 × 5 = 75/270 - Add the two like fractions:
1296/270 + 75/270 = 1296 + 75/270 = 1371/270 - 1371/270 simplified gives 457/90
- So, 72/15 + 15/54 = 457/90
In mixed form: 57/90
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