Add 32/4 and 81/30
1st number: 8 0/4, 2nd number: 2 21/30
32/4 + 81/30 is 107/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
32/4 = 32 × 15/4 × 15 = 480/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
81/30 = 81 × 2/30 × 2 = 162/60 - Add the two like fractions:
480/60 + 162/60 = 480 + 162/60 = 642/60 - 642/60 simplified gives 107/10
- So, 32/4 + 81/30 = 107/10
In mixed form: 107/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/4+81/30 32/8+81/30 32/4+81/60 96/4+81/30 32/12+81/30 32/4+81/90 32/20+81/30 32/28+81/30