Add 27/20 and 32/30
1st number: 1 7/20, 2nd number: 1 2/30
27/20 + 32/30 is 29/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
27/20 = 27 × 3/20 × 3 = 81/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
32/30 = 32 × 2/30 × 2 = 64/60 - Add the two like fractions:
81/60 + 64/60 = 81 + 64/60 = 145/60 - 145/60 simplified gives 29/12
- So, 27/20 + 32/30 = 29/12
In mixed form: 25/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+32/30 27/20+64/30 27/40+32/30 27/20+32/60 81/20+32/30 27/20+96/30 27/60+32/30 27/20+32/90