Add 72/12 and 16/30
1st number: 6 0/12, 2nd number: 16/30
72/12 + 16/30 is 98/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
72/12 = 72 × 5/12 × 5 = 360/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
16/30 = 16 × 2/30 × 2 = 32/60 - Add the two like fractions:
360/60 + 32/60 = 360 + 32/60 = 392/60 - 392/60 simplified gives 98/15
- So, 72/12 + 16/30 = 98/15
In mixed form: 68/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+32/30 72/24+16/30 72/12+16/60 72/12+48/30 72/36+16/30 72/12+16/90 72/12+80/30 72/60+16/30 72/84+16/30