Add 2/20 and 54/56
2/20 + 54/56 is 149/140.
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,
2/20 = 2 × 14/20 × 14 = 28/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
54/56 = 54 × 5/56 × 5 = 270/280 - Add the two like fractions:
28/280 + 270/280 = 28 + 270/280 = 298/280 - 298/280 simplified gives 149/140
- So, 2/20 + 54/56 = 149/140
In mixed form: 19/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+54/56 2/40+54/56 6/20+54/56 2/60+54/56 10/20+54/56 14/20+54/56