Add 72/84 and 60/16
1st number: 72/84, 2nd number: 3 12/16
72/84 + 60/16 is 129/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 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 16 × 21 = 336,
60/16 = 60 × 21/16 × 21 = 1260/336 - Add the two like fractions:
288/336 + 1260/336 = 288 + 1260/336 = 1548/336 - 1548/336 simplified gives 129/28
- So, 72/84 + 60/16 = 129/28
In mixed form: 417/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84+60/32 72/84+60/48 72/84+60/80