Add 1/90 and 20/8
1st number: 1/90, 2nd number: 2 4/8
1/90 + 20/8 is 113/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
1/90 = 1 × 4/90 × 4 = 4/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
20/8 = 20 × 45/8 × 45 = 900/360 - Add the two like fractions:
4/360 + 900/360 = 4 + 900/360 = 904/360 - 904/360 simplified gives 113/45
- So, 1/90 + 20/8 = 113/45
In mixed form: 223/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90+20/8 1/90+40/8 1/90+20/16 3/90+20/8 1/90+60/8 1/90+20/24 5/90+20/8 1/90+20/40 7/90+20/8 1/90+20/56