Add 90/63 and 7/10
1st number: 1 27/63, 2nd number: 7/10
90/63 + 7/10 is 149/70.
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,
90/63 = 90 × 10/63 × 10 = 900/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
7/10 = 7 × 63/10 × 63 = 441/630 - Add the two like fractions:
900/630 + 441/630 = 900 + 441/630 = 1341/630 - 1341/630 simplified gives 149/70
- So, 90/63 + 7/10 = 149/70
In mixed form: 29/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+14/10 90/63+7/20 90/63+21/10 90/63+7/30 90/63+35/10 90/63+7/50 90/63+49/10 90/63+7/70