Add 32/20 and 30/80
1st number: 1 12/20, 2nd number: 30/80
32/20 + 30/80 is 79/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
32/20 = 32 × 4/20 × 4 = 128/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80 - Add the two like fractions:
128/80 + 30/80 = 128 + 30/80 = 158/80 - 158/80 simplified gives 79/40
- So, 32/20 + 30/80 = 79/40
In mixed form: 139/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/20+30/80 32/20+60/80 32/40+30/80 96/20+30/80 32/20+90/80 32/60+30/80