Add 72/45 and 27/60
1st number: 1 27/45, 2nd number: 27/60
72/45 + 27/60 is 41/20.
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,
72/45 = 72 × 4/45 × 4 = 288/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
27/60 = 27 × 3/60 × 3 = 81/180 - Add the two like fractions:
288/180 + 81/180 = 288 + 81/180 = 369/180 - 369/180 simplified gives 41/20
- So, 72/45 + 27/60 = 41/20
In mixed form: 21/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45+54/60 72/90+27/60 72/45+81/60