Add 42/50 and 18/60
42/50 + 18/60 is 57/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
42/50 = 42 × 6/50 × 6 = 252/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
18/60 = 18 × 5/60 × 5 = 90/300 - Add the two like fractions:
252/300 + 90/300 = 252 + 90/300 = 342/300 - 342/300 simplified gives 57/50
- So, 42/50 + 18/60 = 57/50
In mixed form: 17/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50+18/60 42/50+36/60 42/50+54/60 42/50+90/60