Add 70/8 and 12/40
1st number: 8 6/8, 2nd number: 12/40
70/8 + 12/40 is 181/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
70/8 = 70 × 5/8 × 5 = 350/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Add the two like fractions:
350/40 + 12/40 = 350 + 12/40 = 362/40 - 362/40 simplified gives 181/20
- So, 70/8 + 12/40 = 181/20
In mixed form: 91/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+24/40 70/16+12/40 70/8+12/80 70/8+36/40 70/24+12/40 70/8+60/40 70/40+12/40 70/8+84/40 70/56+12/40