Add 64/20 and 42/36
1st number: 3 4/20, 2nd number: 1 6/36
64/20 + 42/36 is 131/30.
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,
64/20 = 64 × 9/20 × 9 = 576/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Add the two like fractions:
576/180 + 210/180 = 576 + 210/180 = 786/180 - 786/180 simplified gives 131/30
- So, 64/20 + 42/36 = 131/30
In mixed form: 411/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/20+84/36 64/40+42/36 64/20+42/72 64/60+42/36