Add 20/90 and 56/30
1st number: 20/90, 2nd number: 1 26/30
20/90 + 56/30 is 94/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
56/30 = 56 × 3/30 × 3 = 168/90 - Add the two like fractions:
20/90 + 168/90 = 20 + 168/90 = 188/90 - 188/90 simplified gives 94/45
- So, 20/90 + 56/30 = 94/45
In mixed form: 24/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90+56/30 20/90+56/60 60/90+56/30 20/90+56/90