Add 10/40 and 70/20
1st number: 10/40, 2nd number: 3 10/20
10/40 + 70/20 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
10/40 = 10 × 1/40 × 1 = 10/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
70/20 = 70 × 2/20 × 2 = 140/40 - Add the two like fractions:
10/40 + 140/40 = 10 + 140/40 = 150/40 - 150/40 simplified gives 15/4
- So, 10/40 + 70/20 = 15/4
In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40+70/20 10/80+70/20 10/40+70/40 30/40+70/20 10/40+70/60 50/40+70/20 70/40+70/20