Add 54/10 and 12/4
1st number: 5 4/10, 2nd number: 3 0/4
54/10 + 12/4 is 42/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
54/10 = 54 × 2/10 × 2 = 108/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
12/4 = 12 × 5/4 × 5 = 60/20 - Add the two like fractions:
108/20 + 60/20 = 108 + 60/20 = 168/20 - 168/20 simplified gives 42/5
- So, 54/10 + 12/4 = 42/5
In mixed form: 82/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+24/4 54/20+12/4 54/10+12/8 54/10+36/4 54/30+12/4 54/10+60/4 54/50+12/4 54/10+12/20 54/10+84/4 54/70+12/4 54/10+12/28