Add 72/4 and 7/70
1st number: 18 0/4, 2nd number: 7/70
72/4 + 7/70 is 181/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
72/4 = 72 × 35/4 × 35 = 2520/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
7/70 = 7 × 2/70 × 2 = 14/140 - Add the two like fractions:
2520/140 + 14/140 = 2520 + 14/140 = 2534/140 - 2534/140 simplified gives 181/10
- So, 72/4 + 7/70 = 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: 72/4+14/70 72/8+7/70 72/4+21/70 72/12+7/70 72/4+35/70 72/20+7/70 72/4+49/70 72/28+7/70