Add 1/7 and 1/90
1/7 + 1/90 is 97/630.
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,
1/7 = 1 × 90/7 × 90 = 90/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
1/90 = 1 × 7/90 × 7 = 7/630 - Add the two like fractions:
90/630 + 7/630 = 90 + 7/630 = 97/630 - So, 1/7 + 1/90 = 97/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7+1/90 1/7+2/90 1/14+1/90 3/7+1/90 1/7+3/90 1/21+1/90 5/7+1/90 1/7+5/90 1/35+1/90 1/7+7/90 1/49+1/90