Add 81/10 and 80/63
1st number: 8 1/10, 2nd number: 1 17/63
81/10 + 80/63 is 5903/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
81/10 = 81 × 63/10 × 63 = 5103/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
80/63 = 80 × 10/63 × 10 = 800/630 - Add the two like fractions:
5103/630 + 800/630 = 5103 + 800/630 = 5903/630 - So, 81/10 + 80/63 = 5903/630
In mixed form: 9233/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/20+80/63 81/30+80/63 81/50+80/63 81/70+80/63