Add 3/20 and 60/45
1st number: 3/20, 2nd number: 1 15/45
3/20 + 60/45 is 89/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
60/45 = 60 × 4/45 × 4 = 240/180 - Add the two like fractions:
27/180 + 240/180 = 27 + 240/180 = 267/180 - 267/180 simplified gives 89/60
- So, 3/20 + 60/45 = 89/60
In mixed form: 129/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+60/45 3/40+60/45 3/20+60/90 9/20+60/45 3/60+60/45 15/20+60/45 21/20+60/45