Add 72/4 and 8/80
1st number: 18 0/4, 2nd number: 8/80
72/4 + 8/80 is 181/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
72/4 = 72 × 20/4 × 20 = 1440/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
8/80 = 8 × 1/80 × 1 = 8/80 - Add the two like fractions:
1440/80 + 8/80 = 1440 + 8/80 = 1448/80 - 1448/80 simplified gives 181/10
- So, 72/4 + 8/80 = 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+16/80 72/8+8/80 72/4+24/80 72/12+8/80 72/4+40/80 72/20+8/80 72/4+56/80 72/28+8/80