Add 8/63 and 28/90
8/63 + 28/90 is 46/105.
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,
8/63 = 8 × 10/63 × 10 = 80/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
28/90 = 28 × 7/90 × 7 = 196/630 - Add the two like fractions:
80/630 + 196/630 = 80 + 196/630 = 276/630 - 276/630 simplified gives 46/105
- So, 8/63 + 28/90 = 46/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/63+28/90 8/63+56/90 24/63+28/90 8/63+84/90 40/63+28/90 56/63+28/90