Add 28/56 and 42/5
1st number: 28/56, 2nd number: 8 2/5
28/56 + 42/5 is 89/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
28/56 = 28 × 5/56 × 5 = 140/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
42/5 = 42 × 56/5 × 56 = 2352/280 - Add the two like fractions:
140/280 + 2352/280 = 140 + 2352/280 = 2492/280 - 2492/280 simplified gives 89/10
- So, 28/56 + 42/5 = 89/10
In mixed form: 89/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56+84/5 28/56+42/10 84/56+42/5 28/56+42/15 28/56+42/25 28/56+42/35