Add 56/7 and 28/90
1st number: 8 0/7, 2nd number: 28/90
56/7 + 28/90 is 374/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
56/7 = 56 × 90/7 × 90 = 5040/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
28/90 = 28 × 7/90 × 7 = 196/630 - Add the two like fractions:
5040/630 + 196/630 = 5040 + 196/630 = 5236/630 - 5236/630 simplified gives 374/45
- So, 56/7 + 28/90 = 374/45
In mixed form: 814/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7+56/90 56/14+28/90 56/7+84/90 56/21+28/90 56/35+28/90 56/49+28/90