Add 90/20 and 60/54
1st number: 4 10/20, 2nd number: 1 6/54
90/20 + 60/54 is 101/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
90/20 = 90 × 27/20 × 27 = 2430/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
60/54 = 60 × 10/54 × 10 = 600/540 - Add the two like fractions:
2430/540 + 600/540 = 2430 + 600/540 = 3030/540 - 3030/540 simplified gives 101/18
- So, 90/20 + 60/54 = 101/18
In mixed form: 511/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+60/54 90/60+60/54