Add 54/15 and 12/70
1st number: 3 9/15, 2nd number: 12/70
54/15 + 12/70 is 132/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
54/15 = 54 × 14/15 × 14 = 756/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210 - Add the two like fractions:
756/210 + 36/210 = 756 + 36/210 = 792/210 - 792/210 simplified gives 132/35
- So, 54/15 + 12/70 = 132/35
In mixed form: 327/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+24/70 54/30+12/70 54/15+36/70 54/45+12/70 54/15+60/70 54/75+12/70 54/15+84/70