Add 54/12 and 81/35
1st number: 4 6/12, 2nd number: 2 11/35
54/12 + 81/35 is 477/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
54/12 = 54 × 35/12 × 35 = 1890/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
81/35 = 81 × 12/35 × 12 = 972/420 - Add the two like fractions:
1890/420 + 972/420 = 1890 + 972/420 = 2862/420 - 2862/420 simplified gives 477/70
- So, 54/12 + 81/35 = 477/70
In mixed form: 657/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24+81/35 54/12+81/70 54/36+81/35 54/60+81/35 54/84+81/35