Add 54/10 and 9/8
1st number: 5 4/10, 2nd number: 1 1/8
54/10 + 9/8 is 261/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
54/10 = 54 × 4/10 × 4 = 216/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
9/8 = 9 × 5/8 × 5 = 45/40 - Add the two like fractions:
216/40 + 45/40 = 216 + 45/40 = 261/40 - So, 54/10 + 9/8 = 261/40
In mixed form: 621/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+18/8 54/20+9/8 54/10+9/16 54/10+27/8 54/30+9/8 54/10+9/24 54/10+45/8 54/50+9/8 54/10+9/40 54/10+63/8 54/70+9/8 54/10+9/56