Add 63/16 and 30/20
1st number: 3 15/16, 2nd number: 1 10/20
63/16 + 30/20 is 87/16.
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,
30/20 = 30 × 4/20 × 4 = 120/80 - Add the two like fractions:
315/80 + 120/80 = 315 + 120/80 = 435/80 - 435/80 simplified gives 87/16
- So, 63/16 + 30/20 = 87/16
In mixed form: 57/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16+60/20 63/32+30/20 63/16+30/40 63/16+90/20 63/48+30/20 63/16+30/60 63/80+30/20