Add 42/70 and 8/7
1st number: 42/70, 2nd number: 1 1/7
42/70 + 8/7 is 61/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
8/7 = 8 × 10/7 × 10 = 80/70 - Add the two like fractions:
42/70 + 80/70 = 42 + 80/70 = 122/70 - 122/70 simplified gives 61/35
- So, 42/70 + 8/7 = 61/35
In mixed form: 126/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+8/7 42/70+16/7 42/70+8/14 42/70+24/7 42/70+8/21 42/70+40/7 42/70+8/35 42/70+56/7 42/70+8/49