Add 54/12 and 3/70
1st number: 4 6/12, 2nd number: 3/70
54/12 + 3/70 is 159/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 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 70 × 6 = 420,
3/70 = 3 × 6/70 × 6 = 18/420 - Add the two like fractions:
1890/420 + 18/420 = 1890 + 18/420 = 1908/420 - 1908/420 simplified gives 159/35
- So, 54/12 + 3/70 = 159/35
In mixed form: 419/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+6/70 54/24+3/70 54/12+9/70 54/36+3/70 54/12+15/70 54/60+3/70 54/12+21/70 54/84+3/70