Add 40/15 and 12/70
1st number: 2 10/15, 2nd number: 12/70
40/15 + 12/70 is 298/105.
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,
40/15 = 40 × 14/15 × 14 = 560/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210 - Add the two like fractions:
560/210 + 36/210 = 560 + 36/210 = 596/210 - 596/210 simplified gives 298/105
- So, 40/15 + 12/70 = 298/105
In mixed form: 288/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+12/70 40/15+24/70 40/30+12/70 40/15+36/70 40/45+12/70 40/15+60/70 40/75+12/70 40/15+84/70