Add 4/70 and 30/18
1st number: 4/70, 2nd number: 1 12/18
4/70 + 30/18 is 181/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
4/70 = 4 × 9/70 × 9 = 36/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
30/18 = 30 × 35/18 × 35 = 1050/630 - Add the two like fractions:
36/630 + 1050/630 = 36 + 1050/630 = 1086/630 - 1086/630 simplified gives 181/105
- So, 4/70 + 30/18 = 181/105
In mixed form: 176/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70+30/18 4/70+60/18 4/70+30/36 12/70+30/18 4/70+90/18 4/70+30/54 20/70+30/18 4/70+30/90 28/70+30/18