Add 3/20 and 42/36
1st number: 3/20, 2nd number: 1 6/36
3/20 + 42/36 is 79/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Add the two like fractions:
27/180 + 210/180 = 27 + 210/180 = 237/180 - 237/180 simplified gives 79/60
- So, 3/20 + 42/36 = 79/60
In mixed form: 119/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+42/36 3/20+84/36 3/40+42/36 3/20+42/72 9/20+42/36 3/60+42/36 15/20+42/36 21/20+42/36