Add 1/90 and 56/45
1st number: 1/90, 2nd number: 1 11/45
1/90 + 56/45 is 113/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
56/45 = 56 × 2/45 × 2 = 112/90 - Add the two like fractions:
1/90 + 112/90 = 1 + 112/90 = 113/90 - So, 1/90 + 56/45 = 113/90
In mixed form: 123/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90+56/45 1/90+56/90 3/90+56/45 5/90+56/45 7/90+56/45