Add 54/10 and 90/56
1st number: 5 4/10, 2nd number: 1 34/56
54/10 + 90/56 is 981/140.
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,
54/10 = 54 × 28/10 × 28 = 1512/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
90/56 = 90 × 5/56 × 5 = 450/280 - Add the two like fractions:
1512/280 + 450/280 = 1512 + 450/280 = 1962/280 - 1962/280 simplified gives 981/140
- So, 54/10 + 90/56 = 981/140
In mixed form: 71/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+90/56 54/30+90/56 54/50+90/56 54/70+90/56