Add 3/80 and 80/60
1st number: 3/80, 2nd number: 1 20/60
3/80 + 80/60 is 329/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
3/80 = 3 × 3/80 × 3 = 9/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
80/60 = 80 × 4/60 × 4 = 320/240 - Add the two like fractions:
9/240 + 320/240 = 9 + 320/240 = 329/240 - So, 3/80 + 80/60 = 329/240
In mixed form: 189/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80+80/60 9/80+80/60 15/80+80/60 21/80+80/60