Add 4/10 and 8/7
1st number: 4/10, 2nd number: 1 1/7
4/10 + 8/7 is 54/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
4/10 = 4 × 7/10 × 7 = 28/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
8/7 = 8 × 10/7 × 10 = 80/70 - Add the two like fractions:
28/70 + 80/70 = 28 + 80/70 = 108/70 - 108/70 simplified gives 54/35
- So, 4/10 + 8/7 = 54/35
In mixed form: 119/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+8/7 4/10+16/7 4/20+8/7 4/10+8/14 12/10+8/7 4/10+24/7 4/30+8/7 4/10+8/21 20/10+8/7 4/10+40/7 4/50+8/7 4/10+8/35 28/10+8/7 4/10+56/7 4/70+8/7 4/10+8/49