Add 3/90 and 10/70
3/90 + 10/70 is 37/210.
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,
3/90 = 3 × 7/90 × 7 = 21/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
10/70 = 10 × 9/70 × 9 = 90/630 - Add the two like fractions:
21/630 + 90/630 = 21 + 90/630 = 111/630 - 111/630 simplified gives 37/210
- So, 3/90 + 10/70 = 37/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+10/70 3/90+20/70 9/90+10/70 3/90+30/70 15/90+10/70 3/90+50/70 21/90+10/70