Add 80/70 and 12/8
1st number: 1 10/70, 2nd number: 1 4/8
80/70 + 12/8 is 37/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
80/70 = 80 × 4/70 × 4 = 320/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
12/8 = 12 × 35/8 × 35 = 420/280 - Add the two like fractions:
320/280 + 420/280 = 320 + 420/280 = 740/280 - 740/280 simplified gives 37/14
- So, 80/70 + 12/8 = 37/14
In mixed form: 29/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+24/8 80/70+12/16 80/70+36/8 80/70+12/24 80/70+60/8 80/70+12/40 80/70+84/8 80/70+12/56