Add 48/63 and 81/70
1st number: 48/63, 2nd number: 1 11/70
48/63 + 81/70 is 403/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
48/63 = 48 × 10/63 × 10 = 480/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
81/70 = 81 × 9/70 × 9 = 729/630 - Add the two like fractions:
480/630 + 729/630 = 480 + 729/630 = 1209/630 - 1209/630 simplified gives 403/210
- So, 48/63 + 81/70 = 403/210
In mixed form: 1193/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/63+81/70