Add 70/12 and 42/4
1st number: 5 10/12, 2nd number: 10 2/4
70/12 + 42/4 is 49/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
70/12 = 70 × 1/12 × 1 = 70/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
42/4 = 42 × 3/4 × 3 = 126/12 - Add the two like fractions:
70/12 + 126/12 = 70 + 126/12 = 196/12 - 196/12 simplified gives 49/3
- So, 70/12 + 42/4 = 49/3
In mixed form: 161/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+84/4 70/24+42/4 70/12+42/8 70/36+42/4 70/12+42/12 70/60+42/4 70/12+42/20 70/84+42/4 70/12+42/28