Add 5/20 and 42/56
5/20 + 42/56 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
5/20 = 5 × 14/20 × 14 = 70/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
42/56 = 42 × 5/56 × 5 = 210/280 - Add the two like fractions:
70/280 + 210/280 = 70 + 210/280 = 280/280 - 280/280 simplified gives 1/1
- So, 5/20 + 42/56 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+42/56 5/20+84/56 5/40+42/56 15/20+42/56 5/60+42/56 25/20+42/56 35/20+42/56