Add 1/5 and 84/56
1st number: 1/5, 2nd number: 1 28/56
1/5 + 84/56 is 17/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
1/5 = 1 × 56/5 × 56 = 56/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
84/56 = 84 × 5/56 × 5 = 420/280 - Add the two like fractions:
56/280 + 420/280 = 56 + 420/280 = 476/280 - 476/280 simplified gives 17/10
- So, 1/5 + 84/56 = 17/10
In mixed form: 17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5+84/56 1/10+84/56 3/5+84/56 1/15+84/56 1/25+84/56 7/5+84/56 1/35+84/56