Add 72/84 and 54/48
1st number: 72/84, 2nd number: 1 6/48
72/84 + 54/48 is 111/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
72/84 = 72 × 4/84 × 4 = 288/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
54/48 = 54 × 7/48 × 7 = 378/336 - Add the two like fractions:
288/336 + 378/336 = 288 + 378/336 = 666/336 - 666/336 simplified gives 111/56
- So, 72/84 + 54/48 = 111/56
In mixed form: 155/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84+54/96