Add 54/4 and 18/7
1st number: 13 2/4, 2nd number: 2 4/7
54/4 + 18/7 is 225/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
54/4 = 54 × 7/4 × 7 = 378/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
18/7 = 18 × 4/7 × 4 = 72/28 - Add the two like fractions:
378/28 + 72/28 = 378 + 72/28 = 450/28 - 450/28 simplified gives 225/14
- So, 54/4 + 18/7 = 225/14
In mixed form: 161/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+36/7 54/8+18/7 54/4+18/14 54/4+54/7 54/12+18/7 54/4+18/21 54/4+90/7 54/20+18/7 54/4+18/35 54/28+18/7 54/4+18/49