Add 20/54 and 7/56
20/54 + 7/56 is 107/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 56 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 54 × 28 = 1512,
20/54 = 20 × 28/54 × 28 = 560/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
7/56 = 7 × 27/56 × 27 = 189/1512 - Add the two like fractions:
560/1512 + 189/1512 = 560 + 189/1512 = 749/1512 - 749/1512 simplified gives 107/216
- So, 20/54 + 7/56 = 107/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/54+7/56 20/54+14/56 60/54+7/56 20/54+21/56 20/54+35/56 20/54+49/56