Add 45/70 and 8/7
1st number: 45/70, 2nd number: 1 1/7
45/70 + 8/7 is 25/14.
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,
45/70 = 45 × 1/70 × 1 = 45/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
8/7 = 8 × 10/7 × 10 = 80/70 - Add the two like fractions:
45/70 + 80/70 = 45 + 80/70 = 125/70 - 125/70 simplified gives 25/14
- So, 45/70 + 8/7 = 25/14
In mixed form: 111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+8/7 45/70+16/7 45/70+8/14 45/70+24/7 45/70+8/21 45/70+40/7 45/70+8/35 45/70+56/7 45/70+8/49