Add 72/54 and 90/60
1st number: 1 18/54, 2nd number: 1 30/60
72/54 + 90/60 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
72/54 = 72 × 10/54 × 10 = 720/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
90/60 = 90 × 9/60 × 9 = 810/540 - Add the two like fractions:
720/540 + 810/540 = 720 + 810/540 = 1530/540 - 1530/540 simplified gives 17/6
- So, 72/54 + 90/60 = 17/6
In mixed form: 25/6
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