Add 63/16 and 16/20
1st number: 3 15/16, 2nd number: 16/20
63/16 + 16/20 is 379/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
63/16 = 63 × 5/16 × 5 = 315/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
16/20 = 16 × 4/20 × 4 = 64/80 - Add the two like fractions:
315/80 + 64/80 = 315 + 64/80 = 379/80 - So, 63/16 + 16/20 = 379/80
In mixed form: 459/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16+32/20 63/32+16/20 63/16+16/40 63/16+48/20 63/48+16/20 63/16+16/60 63/16+80/20 63/80+16/20