Add 3/90 and 75/20
1st number: 3/90, 2nd number: 3 15/20
3/90 + 75/20 is 227/60.
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,
75/20 = 75 × 9/20 × 9 = 675/180 - Add the two like fractions:
6/180 + 675/180 = 6 + 675/180 = 681/180 - 681/180 simplified gives 227/60
- So, 3/90 + 75/20 = 227/60
In mixed form: 347/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+75/20 3/90+75/40 9/90+75/20 3/90+75/60 15/90+75/20 21/90+75/20