Add 7/40 and 70/12
1st number: 7/40, 2nd number: 5 10/12
7/40 + 70/12 is 721/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
70/12 = 70 × 10/12 × 10 = 700/120 - Add the two like fractions:
21/120 + 700/120 = 21 + 700/120 = 721/120 - So, 7/40 + 70/12 = 721/120
In mixed form: 61/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40+70/12 7/80+70/12 7/40+70/24 21/40+70/12 7/40+70/36 35/40+70/12 7/40+70/60 49/40+70/12 7/40+70/84