Add 90/4 and 20/8
1st number: 22 2/4, 2nd number: 2 4/8
90/4 + 20/8 is 25/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
90/4 = 90 × 2/4 × 2 = 180/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
20/8 = 20 × 1/8 × 1 = 20/8 - Add the two like fractions:
180/8 + 20/8 = 180 + 20/8 = 200/8 - 200/8 simplified gives 25/1
- So, 90/4 + 20/8 = 25/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+40/8 90/8+20/8 90/4+20/16 90/4+60/8 90/12+20/8 90/4+20/24 90/20+20/8 90/4+20/40 90/28+20/8 90/4+20/56