Add 30/70 and 75/3
1st number: 30/70, 2nd number: 25 0/3
30/70 + 75/3 is 178/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
30/70 = 30 × 3/70 × 3 = 90/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
75/3 = 75 × 70/3 × 70 = 5250/210 - Add the two like fractions:
90/210 + 5250/210 = 90 + 5250/210 = 5340/210 - 5340/210 simplified gives 178/7
- So, 30/70 + 75/3 = 178/7
In mixed form: 253/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+75/3 30/70+75/6 90/70+75/3 30/70+75/9 30/70+75/15 30/70+75/21