Add 50/4 and 42/70
1st number: 12 2/4, 2nd number: 42/70
50/4 + 42/70 is 131/10.
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,
50/4 = 50 × 35/4 × 35 = 1750/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
42/70 = 42 × 2/70 × 2 = 84/140 - Add the two like fractions:
1750/140 + 84/140 = 1750 + 84/140 = 1834/140 - 1834/140 simplified gives 131/10
- So, 50/4 + 42/70 = 131/10
In mixed form: 131/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+84/70 50/8+42/70 50/12+42/70 50/20+42/70 50/28+42/70