Add 35/20 and 4/90
1st number: 1 15/20, 2nd number: 4/90
35/20 + 4/90 is 323/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
35/20 = 35 × 9/20 × 9 = 315/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Add the two like fractions:
315/180 + 8/180 = 315 + 8/180 = 323/180 - So, 35/20 + 4/90 = 323/180
In mixed form: 1143/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+4/90 35/20+8/90 35/40+4/90 35/20+12/90 35/60+4/90 35/20+20/90 35/20+28/90