Add 90/54 and 15/60
1st number: 1 36/54, 2nd number: 15/60
90/54 + 15/60 is 23/12.
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,
90/54 = 90 × 10/54 × 10 = 900/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
15/60 = 15 × 9/60 × 9 = 135/540 - Add the two like fractions:
900/540 + 135/540 = 900 + 135/540 = 1035/540 - 1035/540 simplified gives 23/12
- So, 90/54 + 15/60 = 23/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+30/60 90/54+45/60 90/54+75/60