Add 4/70 and 49/30
1st number: 4/70, 2nd number: 1 19/30
4/70 + 49/30 is 71/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
4/70 = 4 × 3/70 × 3 = 12/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
49/30 = 49 × 7/30 × 7 = 343/210 - Add the two like fractions:
12/210 + 343/210 = 12 + 343/210 = 355/210 - 355/210 simplified gives 71/42
- So, 4/70 + 49/30 = 71/42
In mixed form: 129/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70+49/30 4/70+98/30 4/70+49/60 12/70+49/30 4/70+49/90 20/70+49/30 28/70+49/30