Add 20/45 and 56/60
20/45 + 56/60 is 62/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
20/45 = 20 × 4/45 × 4 = 80/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
56/60 = 56 × 3/60 × 3 = 168/180 - Add the two like fractions:
80/180 + 168/180 = 80 + 168/180 = 248/180 - 248/180 simplified gives 62/45
- So, 20/45 + 56/60 = 62/45
In mixed form: 117/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/45+56/60 20/90+56/60 60/45+56/60