Add 3/63 and 15/90
3/63 + 15/90 is 3/14.
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,
15/90 = 15 × 7/90 × 7 = 105/630 - Add the two like fractions:
30/630 + 105/630 = 30 + 105/630 = 135/630 - 135/630 simplified gives 3/14
- So, 3/63 + 15/90 = 3/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/63+15/90 3/63+30/90 9/63+15/90 3/63+45/90 15/63+15/90 3/63+75/90 21/63+15/90