Add 72/8 and 27/20
1st number: 9 0/8, 2nd number: 1 7/20
72/8 + 27/20 is 207/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
72/8 = 72 × 5/8 × 5 = 360/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
27/20 = 27 × 2/20 × 2 = 54/40 - Add the two like fractions:
360/40 + 54/40 = 360 + 54/40 = 414/40 - 414/40 simplified gives 207/20
- So, 72/8 + 27/20 = 207/20
In mixed form: 107/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/8+54/20 72/16+27/20 72/8+27/40 72/8+81/20 72/24+27/20 72/8+27/60 72/40+27/20 72/56+27/20