Add 42/60 and 18/8
1st number: 42/60, 2nd number: 2 2/8
42/60 + 18/8 is 59/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
42/60 = 42 × 2/60 × 2 = 84/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
18/8 = 18 × 15/8 × 15 = 270/120 - Add the two like fractions:
84/120 + 270/120 = 84 + 270/120 = 354/120 - 354/120 simplified gives 59/20
- So, 42/60 + 18/8 = 59/20
In mixed form: 219/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+18/8 42/60+36/8 42/60+18/16 42/60+54/8 42/60+18/24 42/60+90/8 42/60+18/40 42/60+18/56