Add 4/8 and 9/90
4/8 + 9/90 is 3/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
4/8 = 4 × 45/8 × 45 = 180/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
9/90 = 9 × 4/90 × 4 = 36/360 - Add the two like fractions:
180/360 + 36/360 = 180 + 36/360 = 216/360 - 216/360 simplified gives 3/5
- So, 4/8 + 9/90 = 3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+18/90 4/16+9/90 12/8+9/90 4/8+27/90 4/24+9/90 20/8+9/90 4/8+45/90 4/40+9/90 28/8+9/90 4/8+63/90 4/56+9/90