Add 9/45 and 3/4
9/45 + 3/4 is 19/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
9/45 = 9 × 4/45 × 4 = 36/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
3/4 = 3 × 45/4 × 45 = 135/180 - Add the two like fractions:
36/180 + 135/180 = 36 + 135/180 = 171/180 - 171/180 simplified gives 19/20
- So, 9/45 + 3/4 = 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45+3/4 9/45+6/4 9/90+3/4 9/45+3/8 27/45+3/4 9/45+9/4 9/45+3/12 9/45+15/4 9/45+3/20 63/45+3/4 9/45+21/4 9/45+3/28