Add 12/40 and 70/10
1st number: 12/40, 2nd number: 7 0/10
12/40 + 70/10 is 73/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
70/10 = 70 × 4/10 × 4 = 280/40 - Add the two like fractions:
12/40 + 280/40 = 12 + 280/40 = 292/40 - 292/40 simplified gives 73/10
- So, 12/40 + 70/10 = 73/10
In mixed form: 73/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40+70/10 12/80+70/10 12/40+70/20 36/40+70/10 12/40+70/30 60/40+70/10 12/40+70/50 84/40+70/10