Add 3/63 and 3/90
3/63 + 3/90 is 17/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
3/63 = 3 × 10/63 × 10 = 30/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
3/90 = 3 × 7/90 × 7 = 21/630 - Add the two like fractions:
30/630 + 21/630 = 30 + 21/630 = 51/630 - 51/630 simplified gives 17/210
- So, 3/63 + 3/90 = 17/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/63+3/90 3/63+6/90 9/63+3/90 3/63+9/90 15/63+3/90 3/63+15/90 21/63+3/90 3/63+21/90