Add 54/10 and 20/56
1st number: 5 4/10, 2nd number: 20/56
54/10 + 20/56 is 403/70.
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,
20/56 = 20 × 5/56 × 5 = 100/280 - Add the two like fractions:
1512/280 + 100/280 = 1512 + 100/280 = 1612/280 - 1612/280 simplified gives 403/70
- So, 54/10 + 20/56 = 403/70
In mixed form: 553/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+40/56 54/20+20/56 54/10+60/56 54/30+20/56 54/50+20/56 54/70+20/56