Add 63/40 and 15/4
1st number: 1 23/40, 2nd number: 3 3/4
63/40 + 15/4 is 213/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
63/40 = 63 × 1/40 × 1 = 63/40 - Likewise, for the 2nd fraction, since 4 × 10 = 40,
15/4 = 15 × 10/4 × 10 = 150/40 - Add the two like fractions:
63/40 + 150/40 = 63 + 150/40 = 213/40 - So, 63/40 + 15/4 = 213/40
In mixed form: 513/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/40+30/4 63/80+15/4 63/40+15/8 63/40+45/4 63/40+15/12 63/40+75/4 63/40+15/20 63/40+15/28