Add 20/63 and 56/30
1st number: 20/63, 2nd number: 1 26/30
20/63 + 56/30 is 688/315.
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,
20/63 = 20 × 10/63 × 10 = 200/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
56/30 = 56 × 21/30 × 21 = 1176/630 - Add the two like fractions:
200/630 + 1176/630 = 200 + 1176/630 = 1376/630 - 1376/630 simplified gives 688/315
- So, 20/63 + 56/30 = 688/315
In mixed form: 258/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63+56/30 20/63+56/60 60/63+56/30 20/63+56/90