Add 28/63 and 7/10
28/63 + 7/10 is 103/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
28/63 = 28 × 10/63 × 10 = 280/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
7/10 = 7 × 63/10 × 63 = 441/630 - Add the two like fractions:
280/630 + 441/630 = 280 + 441/630 = 721/630 - 721/630 simplified gives 103/90
- So, 28/63 + 7/10 = 103/90
In mixed form: 113/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+7/10 28/63+14/10 28/63+7/20 84/63+7/10 28/63+21/10 28/63+7/30 28/63+35/10 28/63+7/50 28/63+49/10 28/63+7/70