Add 42/30 and 3/36
1st number: 1 12/30, 2nd number: 3/36
42/30 + 3/36 is 89/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
42/30 = 42 × 6/30 × 6 = 252/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
3/36 = 3 × 5/36 × 5 = 15/180 - Add the two like fractions:
252/180 + 15/180 = 252 + 15/180 = 267/180 - 267/180 simplified gives 89/60
- So, 42/30 + 3/36 = 89/60
In mixed form: 129/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+3/36 42/30+6/36 42/60+3/36 42/30+3/72 42/30+9/36 42/90+3/36 42/30+15/36 42/30+21/36