Add 36/4 and 45/90
1st number: 9 0/4, 2nd number: 45/90
36/4 + 45/90 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
36/4 = 36 × 45/4 × 45 = 1620/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
45/90 = 45 × 2/90 × 2 = 90/180 - Add the two like fractions:
1620/180 + 90/180 = 1620 + 90/180 = 1710/180 - 1710/180 simplified gives 19/2
- So, 36/4 + 45/90 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4+45/90 36/8+45/90 36/12+45/90 36/20+45/90 36/28+45/90