Add 42/70 and 75/6
1st number: 42/70, 2nd number: 12 3/6
42/70 + 75/6 is 131/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
42/70 = 42 × 3/70 × 3 = 126/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
75/6 = 75 × 35/6 × 35 = 2625/210 - Add the two like fractions:
126/210 + 2625/210 = 126 + 2625/210 = 2751/210 - 2751/210 simplified gives 131/10
- So, 42/70 + 75/6 = 131/10
In mixed form: 131/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+75/6 42/70+75/12 42/70+75/18 42/70+75/30 42/70+75/42