Add 90/4 and 40/90
1st number: 22 2/4, 2nd number: 40/90
90/4 + 40/90 is 413/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
90/4 = 90 × 45/4 × 45 = 4050/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
40/90 = 40 × 2/90 × 2 = 80/180 - Add the two like fractions:
4050/180 + 80/180 = 4050 + 80/180 = 4130/180 - 4130/180 simplified gives 413/18
- So, 90/4 + 40/90 = 413/18
In mixed form: 2217/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+80/90 90/8+40/90 90/12+40/90 90/20+40/90 90/28+40/90