Add 75/5 and 70/42
1st number: 15 0/5, 2nd number: 1 28/42
75/5 + 70/42 is 50/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
75/5 = 75 × 42/5 × 42 = 3150/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210 - Add the two like fractions:
3150/210 + 350/210 = 3150 + 350/210 = 3500/210 - 3500/210 simplified gives 50/3
- So, 75/5 + 70/42 = 50/3
In mixed form: 162/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10+70/42 75/5+70/84 75/15+70/42 75/25+70/42 75/35+70/42