Add 90/18 and 60/64
1st number: 5 0/18, 2nd number: 60/64
90/18 + 60/64 is 95/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 18 × 32 = 576,
90/18 = 90 × 32/18 × 32 = 2880/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
60/64 = 60 × 9/64 × 9 = 540/576 - Add the two like fractions:
2880/576 + 540/576 = 2880 + 540/576 = 3420/576 - 3420/576 simplified gives 95/16
- So, 90/18 + 60/64 = 95/16
In mixed form: 515/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+60/64 90/54+60/64