Add 63/45 and 45/60
1st number: 1 18/45, 2nd number: 45/60
63/45 + 45/60 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
63/45 = 63 × 4/45 × 4 = 252/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
45/60 = 45 × 3/60 × 3 = 135/180 - Add the two like fractions:
252/180 + 135/180 = 252 + 135/180 = 387/180 - 387/180 simplified gives 43/20
- So, 63/45 + 45/60 = 43/20
In mixed form: 23/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/45+90/60 63/90+45/60