Add 80/63 and 5/4
1st number: 1 17/63, 2nd number: 1 1/4
80/63 + 5/4 is 635/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
80/63 = 80 × 4/63 × 4 = 320/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
5/4 = 5 × 63/4 × 63 = 315/252 - Add the two like fractions:
320/252 + 315/252 = 320 + 315/252 = 635/252 - So, 80/63 + 5/4 = 635/252
In mixed form: 2131/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+10/4 80/63+5/8 80/63+15/4 80/63+5/12 80/63+25/4 80/63+5/20 80/63+35/4 80/63+5/28