Add 63/45 and 63/4
1st number: 1 18/45, 2nd number: 15 3/4
63/45 + 63/4 is 343/20.
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,
63/45 = 63 × 4/45 × 4 = 252/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
63/4 = 63 × 45/4 × 45 = 2835/180 - Add the two like fractions:
252/180 + 2835/180 = 252 + 2835/180 = 3087/180 - 3087/180 simplified gives 343/20
- So, 63/45 + 63/4 = 343/20
In mixed form: 173/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90+63/4 63/45+63/8 63/45+63/12 63/45+63/20 63/45+63/28