Add 3/80 and 35/20
1st number: 3/80, 2nd number: 1 15/20
3/80 + 35/20 is 143/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
3/80 = 3 × 1/80 × 1 = 3/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
35/20 = 35 × 4/20 × 4 = 140/80 - Add the two like fractions:
3/80 + 140/80 = 3 + 140/80 = 143/80 - So, 3/80 + 35/20 = 143/80
In mixed form: 163/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80+35/20 3/80+70/20 3/80+35/40 9/80+35/20 3/80+35/60 15/80+35/20 21/80+35/20