Add 54/56 and 7/5
1st number: 54/56, 2nd number: 1 2/5
54/56 + 7/5 is 331/140.
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,
54/56 = 54 × 5/56 × 5 = 270/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
7/5 = 7 × 56/5 × 56 = 392/280 - Add the two like fractions:
270/280 + 392/280 = 270 + 392/280 = 662/280 - 662/280 simplified gives 331/140
- So, 54/56 + 7/5 = 331/140
In mixed form: 251/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56+14/5 54/56+7/10 54/56+21/5 54/56+7/15 54/56+35/5 54/56+7/25 54/56+49/5 54/56+7/35