Add 3/70 and 70/42
1st number: 3/70, 2nd number: 1 28/42
3/70 + 70/42 is 359/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
3/70 = 3 × 3/70 × 3 = 9/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210 - Add the two like fractions:
9/210 + 350/210 = 9 + 350/210 = 359/210 - So, 3/70 + 70/42 = 359/210
In mixed form: 1149/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70+70/42 3/70+70/84 9/70+70/42 15/70+70/42 21/70+70/42