Add 10/75 and 70/20
1st number: 10/75, 2nd number: 3 10/20
10/75 + 70/20 is 109/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
10/75 = 10 × 4/75 × 4 = 40/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
70/20 = 70 × 15/20 × 15 = 1050/300 - Add the two like fractions:
40/300 + 1050/300 = 40 + 1050/300 = 1090/300 - 1090/300 simplified gives 109/30
- So, 10/75 + 70/20 = 109/30
In mixed form: 319/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/75+70/20 10/75+70/40 30/75+70/20 10/75+70/60 50/75+70/20 70/75+70/20