Add 56/20 and 45/25
1st number: 2 16/20, 2nd number: 1 20/25
56/20 + 45/25 is 23/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
56/20 = 56 × 5/20 × 5 = 280/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
45/25 = 45 × 4/25 × 4 = 180/100 - Add the two like fractions:
280/100 + 180/100 = 280 + 180/100 = 460/100 - 460/100 simplified gives 23/5
- So, 56/20 + 45/25 = 23/5
In mixed form: 43/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20+90/25 56/40+45/25 56/20+45/50 56/60+45/25 56/20+45/75