Add 80/63 and 56/30
1st number: 1 17/63, 2nd number: 1 26/30
80/63 + 56/30 is 988/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
80/63 = 80 × 10/63 × 10 = 800/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
56/30 = 56 × 21/30 × 21 = 1176/630 - Add the two like fractions:
800/630 + 1176/630 = 800 + 1176/630 = 1976/630 - 1976/630 simplified gives 988/315
- So, 80/63 + 56/30 = 988/315
In mixed form: 343/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+56/60 80/63+56/90