Add 54/10 and 40/80
1st number: 5 4/10, 2nd number: 40/80
54/10 + 40/80 is 59/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
54/10 = 54 × 8/10 × 8 = 432/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
40/80 = 40 × 1/80 × 1 = 40/80 - Add the two like fractions:
432/80 + 40/80 = 432 + 40/80 = 472/80 - 472/80 simplified gives 59/10
- So, 54/10 + 40/80 = 59/10
In mixed form: 59/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+40/80 54/30+40/80 54/50+40/80 54/70+40/80