Add 90/45 and 90/64
1st number: 2 0/45, 2nd number: 1 26/64
90/45 + 90/64 is 109/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 64 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 45 × 64 = 2880,
90/45 = 90 × 64/45 × 64 = 5760/2880 - Likewise, for the 2nd fraction, since 64 × 45 = 2880,
90/64 = 90 × 45/64 × 45 = 4050/2880 - Add the two like fractions:
5760/2880 + 4050/2880 = 5760 + 4050/2880 = 9810/2880 - 9810/2880 simplified gives 109/32
- So, 90/45 + 90/64 = 109/32
In mixed form: 313/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: