Add 54/4 and 18/72
1st number: 13 2/4, 2nd number: 18/72
54/4 + 18/72 is 55/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
54/4 = 54 × 18/4 × 18 = 972/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Add the two like fractions:
972/72 + 18/72 = 972 + 18/72 = 990/72 - 990/72 simplified gives 55/4
- So, 54/4 + 18/72 = 55/4
In mixed form: 133/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+36/72 54/8+18/72 54/4+54/72 54/12+18/72 54/4+90/72 54/20+18/72 54/28+18/72