Add 6/90 and 1/70
6/90 + 1/70 is 17/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
6/90 = 6 × 7/90 × 7 = 42/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
1/70 = 1 × 9/70 × 9 = 9/630 - Add the two like fractions:
42/630 + 9/630 = 42 + 9/630 = 51/630 - 51/630 simplified gives 17/210
- So, 6/90 + 1/70 = 17/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90+1/70 6/90+2/70 18/90+1/70 6/90+3/70 30/90+1/70 6/90+5/70 42/90+1/70 6/90+7/70