Add 70/42 and 40/5
1st number: 1 28/42, 2nd number: 8 0/5
70/42 + 40/5 is 29/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
40/5 = 40 × 42/5 × 42 = 1680/210 - Add the two like fractions:
350/210 + 1680/210 = 350 + 1680/210 = 2030/210 - 2030/210 simplified gives 29/3
- So, 70/42 + 40/5 = 29/3
In mixed form: 92/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+80/5 70/84+40/5 70/42+40/10 70/42+40/15 70/42+40/25 70/42+40/35