Add 42/30 and 18/4
1st number: 1 12/30, 2nd number: 4 2/4
42/30 + 18/4 is 59/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
42/30 = 42 × 2/30 × 2 = 84/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
18/4 = 18 × 15/4 × 15 = 270/60 - Add the two like fractions:
84/60 + 270/60 = 84 + 270/60 = 354/60 - 354/60 simplified gives 59/10
- So, 42/30 + 18/4 = 59/10
In mixed form: 59/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+18/4 42/30+36/4 42/60+18/4 42/30+18/8 42/30+54/4 42/90+18/4 42/30+18/12 42/30+90/4 42/30+18/20 42/30+18/28