Add 63/4 and 64/45
1st number: 15 3/4, 2nd number: 1 19/45
63/4 + 64/45 is 3091/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
63/4 = 63 × 45/4 × 45 = 2835/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
64/45 = 64 × 4/45 × 4 = 256/180 - Add the two like fractions:
2835/180 + 256/180 = 2835 + 256/180 = 3091/180 - So, 63/4 + 64/45 = 3091/180
In mixed form: 1731/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8+64/45 63/4+64/90 63/12+64/45 63/20+64/45 63/28+64/45