Add 42/10 and 2/7
1st number: 4 2/10, 2nd number: 2/7
42/10 + 2/7 is 157/35.
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,
42/10 = 42 × 7/10 × 7 = 294/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
2/7 = 2 × 10/7 × 10 = 20/70 - Add the two like fractions:
294/70 + 20/70 = 294 + 20/70 = 314/70 - 314/70 simplified gives 157/35
- So, 42/10 + 2/7 = 157/35
In mixed form: 417/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+2/7 42/10+4/7 42/20+2/7 42/10+2/14 42/10+6/7 42/30+2/7 42/10+2/21 42/10+10/7 42/50+2/7 42/10+2/35 42/10+14/7 42/70+2/7 42/10+2/49