Add 1/80 and 42/60
1/80 + 42/60 is 57/80.
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,
1/80 = 1 × 3/80 × 3 = 3/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
42/60 = 42 × 4/60 × 4 = 168/240 - Add the two like fractions:
3/240 + 168/240 = 3 + 168/240 = 171/240 - 171/240 simplified gives 57/80
- So, 1/80 + 42/60 = 57/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/80+42/60 1/80+84/60 3/80+42/60 5/80+42/60 7/80+42/60