Add 45/90 and 18/32
45/90 + 18/32 is 17/16.
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,
45/90 = 45 × 16/90 × 16 = 720/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
18/32 = 18 × 45/32 × 45 = 810/1440 - Add the two like fractions:
720/1440 + 810/1440 = 720 + 810/1440 = 1530/1440 - 1530/1440 simplified gives 17/16
- So, 45/90 + 18/32 = 17/16
In mixed form: 11/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 45/90+36/32 45/90+18/64 45/90+54/32 45/90+18/96 45/90+90/32