Add 20/5 and 20/56
1st number: 4 0/5, 2nd number: 20/56
20/5 + 20/56 is 61/14.
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,
20/5 = 20 × 56/5 × 56 = 1120/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
20/56 = 20 × 5/56 × 5 = 100/280 - Add the two like fractions:
1120/280 + 100/280 = 1120 + 100/280 = 1220/280 - 1220/280 simplified gives 61/14
- So, 20/5 + 20/56 = 61/14
In mixed form: 45/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5+20/56 20/5+40/56 20/10+20/56 60/5+20/56 20/5+60/56 20/15+20/56 20/25+20/56 20/35+20/56