Add 64/54 and 45/20
1st number: 1 10/54, 2nd number: 2 5/20
64/54 + 45/20 is 371/108.
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,
64/54 = 64 × 10/54 × 10 = 640/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
45/20 = 45 × 27/20 × 27 = 1215/540 - Add the two like fractions:
640/540 + 1215/540 = 640 + 1215/540 = 1855/540 - 1855/540 simplified gives 371/108
- So, 64/54 + 45/20 = 371/108
In mixed form: 347/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/54+90/20 64/54+45/40 64/54+45/60