Add 4/90 and 3/45
4/90 + 3/45 is 1/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
4/90 = 4 × 1/90 × 1 = 4/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
3/45 = 3 × 2/45 × 2 = 6/90 - Add the two like fractions:
4/90 + 6/90 = 4 + 6/90 = 10/90 - 10/90 simplified gives 1/9
- So, 4/90 + 3/45 = 1/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+3/45 4/90+6/45 4/90+3/90 12/90+3/45 4/90+9/45 20/90+3/45 4/90+15/45 28/90+3/45 4/90+21/45