Add 72/4 and 4/40
1st number: 18 0/4, 2nd number: 4/40
72/4 + 4/40 is 181/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
72/4 = 72 × 10/4 × 10 = 720/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
4/40 = 4 × 1/40 × 1 = 4/40 - Add the two like fractions:
720/40 + 4/40 = 720 + 4/40 = 724/40 - 724/40 simplified gives 181/10
- So, 72/4 + 4/40 = 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+8/40 72/8+4/40 72/4+4/80 72/4+12/40 72/12+4/40 72/4+20/40 72/20+4/40 72/4+28/40 72/28+4/40