Add 90/63 and 42/10
1st number: 1 27/63, 2nd number: 4 2/10
90/63 + 42/10 is 197/35.
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,
42/10 = 42 × 63/10 × 63 = 2646/630 - Add the two like fractions:
900/630 + 2646/630 = 900 + 2646/630 = 3546/630 - 3546/630 simplified gives 197/35
- So, 90/63 + 42/10 = 197/35
In mixed form: 522/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+84/10 90/63+42/20 90/63+42/30 90/63+42/50 90/63+42/70