Add 70/5 and 9/42
1st number: 14 0/5, 2nd number: 9/42
70/5 + 9/42 is 199/14.
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,
70/5 = 70 × 42/5 × 42 = 2940/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Add the two like fractions:
2940/210 + 45/210 = 2940 + 45/210 = 2985/210 - 2985/210 simplified gives 199/14
- So, 70/5 + 9/42 = 199/14
In mixed form: 143/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/5+18/42 70/10+9/42 70/5+9/84 70/5+27/42 70/15+9/42 70/5+45/42 70/25+9/42 70/5+63/42 70/35+9/42