Add 3/2 and 12/72
1st number: 1 1/2, 2nd number: 12/72
3/2 + 12/72 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
3/2 = 3 × 36/2 × 36 = 108/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
12/72 = 12 × 1/72 × 1 = 12/72 - Add the two like fractions:
108/72 + 12/72 = 108 + 12/72 = 120/72 - 120/72 simplified gives 5/3
- So, 3/2 + 12/72 = 5/3
In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2+12/72 3/2+24/72 3/4+12/72 9/2+12/72 3/2+36/72 3/6+12/72 15/2+12/72 3/2+60/72 3/10+12/72 21/2+12/72 3/2+84/72 3/14+12/72