Add 3/90 and 64/20
1st number: 3/90, 2nd number: 3 4/20
3/90 + 64/20 is 97/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
64/20 = 64 × 9/20 × 9 = 576/180 - Add the two like fractions:
6/180 + 576/180 = 6 + 576/180 = 582/180 - 582/180 simplified gives 97/30
- So, 3/90 + 64/20 = 97/30
In mixed form: 37/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+64/20 3/90+64/40 9/90+64/20 3/90+64/60 15/90+64/20 21/90+64/20