Add 70/10 and 9/42
1st number: 7 0/10, 2nd number: 9/42
70/10 + 9/42 is 101/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
70/10 = 70 × 21/10 × 21 = 1470/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Add the two like fractions:
1470/210 + 45/210 = 1470 + 45/210 = 1515/210 - 1515/210 simplified gives 101/14
- So, 70/10 + 9/42 = 101/14
In mixed form: 73/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+18/42 70/20+9/42 70/10+9/84 70/10+27/42 70/30+9/42 70/10+45/42 70/50+9/42 70/10+63/42