Add 35/90 and 32/20
1st number: 35/90, 2nd number: 1 12/20
35/90 + 32/20 is 179/90.
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,
35/90 = 35 × 2/90 × 2 = 70/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
32/20 = 32 × 9/20 × 9 = 288/180 - Add the two like fractions:
70/180 + 288/180 = 70 + 288/180 = 358/180 - 358/180 simplified gives 179/90
- So, 35/90 + 32/20 = 179/90
In mixed form: 189/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90+32/20 35/90+64/20 35/90+32/40 35/90+96/20 35/90+32/60