Add 8/90 and 28/7
1st number: 8/90, 2nd number: 4 0/7
8/90 + 28/7 is 184/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
8/90 = 8 × 7/90 × 7 = 56/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
28/7 = 28 × 90/7 × 90 = 2520/630 - Add the two like fractions:
56/630 + 2520/630 = 56 + 2520/630 = 2576/630 - 2576/630 simplified gives 184/45
- So, 8/90 + 28/7 = 184/45
In mixed form: 44/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90+28/7 8/90+56/7 8/90+28/14 24/90+28/7 8/90+84/7 8/90+28/21 40/90+28/7 8/90+28/35 56/90+28/7 8/90+28/49