Add 90/54 and 3/20
1st number: 1 36/54, 2nd number: 3/20
90/54 + 3/20 is 109/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 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 20 × 27 = 540,
3/20 = 3 × 27/20 × 27 = 81/540 - Add the two like fractions:
900/540 + 81/540 = 900 + 81/540 = 981/540 - 981/540 simplified gives 109/60
- So, 90/54 + 3/20 = 109/60
In mixed form: 149/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+6/20 90/54+3/40 90/54+9/20 90/54+3/60 90/54+15/20 90/54+21/20