Add 6/7 and 5/90
6/7 + 5/90 is 115/126.
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,
6/7 = 6 × 90/7 × 90 = 540/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
5/90 = 5 × 7/90 × 7 = 35/630 - Add the two like fractions:
540/630 + 35/630 = 540 + 35/630 = 575/630 - 575/630 simplified gives 115/126
- So, 6/7 + 5/90 = 115/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7+5/90 6/7+10/90 6/14+5/90 18/7+5/90 6/7+15/90 6/21+5/90 30/7+5/90 6/7+25/90 6/35+5/90 42/7+5/90 6/7+35/90 6/49+5/90