Add 72/60 and 84/16
1st number: 1 12/60, 2nd number: 5 4/16
72/60 + 84/16 is 129/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
72/60 = 72 × 4/60 × 4 = 288/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
84/16 = 84 × 15/16 × 15 = 1260/240 - Add the two like fractions:
288/240 + 1260/240 = 288 + 1260/240 = 1548/240 - 1548/240 simplified gives 129/20
- So, 72/60 + 84/16 = 129/20
In mixed form: 69/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60+84/32 72/60+84/48 72/60+84/80