Add 7/90 and 2/63
7/90 + 2/63 is 23/210.
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,
7/90 = 7 × 7/90 × 7 = 49/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
2/63 = 2 × 10/63 × 10 = 20/630 - Add the two like fractions:
49/630 + 20/630 = 49 + 20/630 = 69/630 - 69/630 simplified gives 23/210
- So, 7/90 + 2/63 = 23/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/90+2/63 7/90+4/63 21/90+2/63 7/90+6/63 35/90+2/63 7/90+10/63 49/90+2/63 7/90+14/63