Add 3/90 and 5/45
3/90 + 5/45 is 13/90.
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,
3/90 = 3 × 1/90 × 1 = 3/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
5/45 = 5 × 2/45 × 2 = 10/90 - Add the two like fractions:
3/90 + 10/90 = 3 + 10/90 = 13/90 - So, 3/90 + 5/45 = 13/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+5/45 3/90+10/45 3/90+5/90 9/90+5/45 3/90+15/45 15/90+5/45 3/90+25/45 21/90+5/45 3/90+35/45