Add 81/10 and 75/56
1st number: 8 1/10, 2nd number: 1 19/56
81/10 + 75/56 is 2643/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 10 × 28 = 280,
81/10 = 81 × 28/10 × 28 = 2268/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
75/56 = 75 × 5/56 × 5 = 375/280 - Add the two like fractions:
2268/280 + 375/280 = 2268 + 375/280 = 2643/280 - So, 81/10 + 75/56 = 2643/280
In mixed form: 9123/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/20+75/56 81/30+75/56 81/50+75/56 81/70+75/56