Add 63/4 and 20/5
1st number: 15 3/4, 2nd number: 4 0/5
63/4 + 20/5 is 79/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
20/5 = 20 × 4/5 × 4 = 80/20 - Add the two like fractions:
315/20 + 80/20 = 315 + 80/20 = 395/20 - 395/20 simplified gives 79/4
- So, 63/4 + 20/5 = 79/4
In mixed form: 193/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4+40/5 63/8+20/5 63/4+20/10 63/4+60/5 63/12+20/5 63/4+20/15 63/20+20/5 63/4+20/25 63/28+20/5 63/4+20/35