Add 81/10 and 7/63
1st number: 8 1/10, 2nd number: 7/63
81/10 + 7/63 is 739/90.
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,
7/63 = 7 × 10/63 × 10 = 70/630 - Add the two like fractions:
5103/630 + 70/630 = 5103 + 70/630 = 5173/630 - 5173/630 simplified gives 739/90
- So, 81/10 + 7/63 = 739/90
In mixed form: 819/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10+14/63 81/20+7/63 81/10+21/63 81/30+7/63 81/10+35/63 81/50+7/63 81/10+49/63 81/70+7/63