Add 54/8 and 30/10
1st number: 6 6/8, 2nd number: 3 0/10
54/8 + 30/10 is 39/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
54/8 = 54 × 5/8 × 5 = 270/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
30/10 = 30 × 4/10 × 4 = 120/40 - Add the two like fractions:
270/40 + 120/40 = 270 + 120/40 = 390/40 - 390/40 simplified gives 39/4
- So, 54/8 + 30/10 = 39/4
In mixed form: 93/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+60/10 54/16+30/10 54/8+30/20 54/8+90/10 54/24+30/10 54/40+30/10 54/8+30/50 54/56+30/10 54/8+30/70