Add 45/90 and 42/32
1st number: 45/90, 2nd number: 1 10/32
45/90 + 42/32 is 29/16.
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,
42/32 = 42 × 45/32 × 45 = 1890/1440 - Add the two like fractions:
720/1440 + 1890/1440 = 720 + 1890/1440 = 2610/1440 - 2610/1440 simplified gives 29/16
- So, 45/90 + 42/32 = 29/16
In mixed form: 113/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 45/90+84/32 45/90+42/64 45/90+42/96