Add 9/10 and 54/56
9/10 + 54/56 is 261/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 10 × 28 = 280,
9/10 = 9 × 28/10 × 28 = 252/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
54/56 = 54 × 5/56 × 5 = 270/280 - Add the two like fractions:
252/280 + 270/280 = 252 + 270/280 = 522/280 - 522/280 simplified gives 261/140
- So, 9/10 + 54/56 = 261/140
In mixed form: 1121/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10+54/56 9/20+54/56 27/10+54/56 9/30+54/56 45/10+54/56 9/50+54/56 63/10+54/56 9/70+54/56