Add 3/60 and 72/9
1st number: 3/60, 2nd number: 8 0/9
3/60 + 72/9 is 161/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
3/60 = 3 × 3/60 × 3 = 9/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
72/9 = 72 × 20/9 × 20 = 1440/180 - Add the two like fractions:
9/180 + 1440/180 = 9 + 1440/180 = 1449/180 - 1449/180 simplified gives 161/20
- So, 3/60 + 72/9 = 161/20
In mixed form: 81/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/60+72/9 3/60+72/18 9/60+72/9 3/60+72/27 15/60+72/9 3/60+72/45 21/60+72/9 3/60+72/63