Add 10/4 and 42/70
1st number: 2 2/4, 2nd number: 42/70
10/4 + 42/70 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
10/4 = 10 × 35/4 × 35 = 350/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
42/70 = 42 × 2/70 × 2 = 84/140 - Add the two like fractions:
350/140 + 84/140 = 350 + 84/140 = 434/140 - 434/140 simplified gives 31/10
- So, 10/4 + 42/70 = 31/10
In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/4+42/70 10/4+84/70 10/8+42/70 30/4+42/70 10/12+42/70 50/4+42/70 10/20+42/70 70/4+42/70 10/28+42/70