Add 3/80 and 12/40
3/80 + 12/40 is 27/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 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 40 × 2 = 80,
12/40 = 12 × 2/40 × 2 = 24/80 - Add the two like fractions:
3/80 + 24/80 = 3 + 24/80 = 27/80 - So, 3/80 + 12/40 = 27/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80+12/40 3/80+24/40 3/80+12/80 9/80+12/40 3/80+36/40 15/80+12/40 3/80+60/40 21/80+12/40 3/80+84/40