Add 1/90 and 5/4
1st number: 1/90, 2nd number: 1 1/4
1/90 + 5/4 is 227/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
1/90 = 1 × 2/90 × 2 = 2/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
5/4 = 5 × 45/4 × 45 = 225/180 - Add the two like fractions:
2/180 + 225/180 = 2 + 225/180 = 227/180 - So, 1/90 + 5/4 = 227/180
In mixed form: 147/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90+5/4 1/90+10/4 1/90+5/8 3/90+5/4 1/90+15/4 1/90+5/12 5/90+5/4 1/90+25/4 1/90+5/20 7/90+5/4 1/90+35/4 1/90+5/28