Add 10/90 and 7/63
10/90 + 7/63 is 2/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
10/90 = 10 × 7/90 × 7 = 70/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
7/63 = 7 × 10/63 × 10 = 70/630 - Add the two like fractions:
70/630 + 70/630 = 70 + 70/630 = 140/630 - 140/630 simplified gives 2/9
- So, 10/90 + 7/63 = 2/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90+7/63 10/90+14/63 30/90+7/63 10/90+21/63 50/90+7/63 10/90+35/63 70/90+7/63 10/90+49/63