Add 3/70 and 18/12
1st number: 3/70, 2nd number: 1 6/12
3/70 + 18/12 is 54/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
3/70 = 3 × 6/70 × 6 = 18/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
18/12 = 18 × 35/12 × 35 = 630/420 - Add the two like fractions:
18/420 + 630/420 = 18 + 630/420 = 648/420 - 648/420 simplified gives 54/35
- So, 3/70 + 18/12 = 54/35
In mixed form: 119/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70+18/12 3/70+36/12 3/70+18/24 9/70+18/12 3/70+54/12 3/70+18/36 15/70+18/12 3/70+90/12 3/70+18/60 21/70+18/12 3/70+18/84