Add 81/10 and 18/56
1st number: 8 1/10, 2nd number: 18/56
81/10 + 18/56 is 1179/140.
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,
18/56 = 18 × 5/56 × 5 = 90/280 - Add the two like fractions:
2268/280 + 90/280 = 2268 + 90/280 = 2358/280 - 2358/280 simplified gives 1179/140
- So, 81/10 + 18/56 = 1179/140
In mixed form: 859/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10+36/56 81/20+18/56 81/10+54/56 81/30+18/56 81/10+90/56 81/50+18/56 81/70+18/56