Add 2/90 and 3/7
2/90 + 3/7 is 142/315.
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,
2/90 = 2 × 7/90 × 7 = 14/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
3/7 = 3 × 90/7 × 90 = 270/630 - Add the two like fractions:
14/630 + 270/630 = 14 + 270/630 = 284/630 - 284/630 simplified gives 142/315
- So, 2/90 + 3/7 = 142/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90+3/7 2/90+6/7 2/90+3/14 6/90+3/7 2/90+9/7 2/90+3/21 10/90+3/7 2/90+15/7 2/90+3/35 14/90+3/7 2/90+21/7 2/90+3/49