Add 10/90 and 6/7
10/90 + 6/7 is 61/63.
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,
10/90 = 10 × 7/90 × 7 = 70/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
6/7 = 6 × 90/7 × 90 = 540/630 - Add the two like fractions:
70/630 + 540/630 = 70 + 540/630 = 610/630 - 610/630 simplified gives 61/63
- So, 10/90 + 6/7 = 61/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90+6/7 10/90+12/7 10/90+6/14 30/90+6/7 10/90+18/7 10/90+6/21 50/90+6/7 10/90+30/7 10/90+6/35 70/90+6/7 10/90+42/7 10/90+6/49