Add 42/30 and 3/60
1st number: 1 12/30, 2nd number: 3/60
42/30 + 3/60 is 29/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 60 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 60 × 1 = 60,
3/60 = 3 × 1/60 × 1 = 3/60 - Add the two like fractions:
84/60 + 3/60 = 84 + 3/60 = 87/60 - 87/60 simplified gives 29/20
- So, 42/30 + 3/60 = 29/20
In mixed form: 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+3/60 42/30+6/60 42/60+3/60 42/30+9/60 42/90+3/60 42/30+15/60 42/30+21/60