Add 18/90 and 75/32
1st number: 18/90, 2nd number: 2 11/32
18/90 + 75/32 is 407/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
18/90 = 18 × 16/90 × 16 = 288/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
75/32 = 75 × 45/32 × 45 = 3375/1440 - Add the two like fractions:
288/1440 + 3375/1440 = 288 + 3375/1440 = 3663/1440 - 3663/1440 simplified gives 407/160
- So, 18/90 + 75/32 = 407/160
In mixed form: 287/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90+75/32 18/90+75/64 54/90+75/32 18/90+75/96