Add 90/54 and 72/15
1st number: 1 36/54, 2nd number: 4 12/15
90/54 + 72/15 is 97/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
90/54 = 90 × 5/54 × 5 = 450/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
72/15 = 72 × 18/15 × 18 = 1296/270 - Add the two like fractions:
450/270 + 1296/270 = 450 + 1296/270 = 1746/270 - 1746/270 simplified gives 97/15
- So, 90/54 + 72/15 = 97/15
In mixed form: 67/15
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