Add 45/4 and 63/16
1st number: 11 1/4, 2nd number: 3 15/16
45/4 + 63/16 is 243/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
45/4 = 45 × 4/4 × 4 = 180/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
63/16 = 63 × 1/16 × 1 = 63/16 - Add the two like fractions:
180/16 + 63/16 = 180 + 63/16 = 243/16 - So, 45/4 + 63/16 = 243/16
In mixed form: 153/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+63/16 45/8+63/16 45/4+63/32 45/12+63/16 45/4+63/48 45/20+63/16 45/4+63/80 45/28+63/16