Add 7/70 and 72/4
1st number: 7/70, 2nd number: 18 0/4
7/70 + 72/4 is 181/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
7/70 = 7 × 2/70 × 2 = 14/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
72/4 = 72 × 35/4 × 35 = 2520/140 - Add the two like fractions:
14/140 + 2520/140 = 14 + 2520/140 = 2534/140 - 2534/140 simplified gives 181/10
- So, 7/70 + 72/4 = 181/10
In mixed form: 181/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+72/4 7/70+72/8 21/70+72/4 7/70+72/12 35/70+72/4 7/70+72/20 49/70+72/4 7/70+72/28