Add 30/4 and 12/72
1st number: 7 2/4, 2nd number: 12/72
30/4 + 12/72 is 23/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
30/4 = 30 × 18/4 × 18 = 540/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
12/72 = 12 × 1/72 × 1 = 12/72 - Add the two like fractions:
540/72 + 12/72 = 540 + 12/72 = 552/72 - 552/72 simplified gives 23/3
- So, 30/4 + 12/72 = 23/3
In mixed form: 72/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+12/72 30/4+24/72 30/8+12/72 90/4+12/72 30/4+36/72 30/12+12/72 30/4+60/72 30/20+12/72 30/4+84/72 30/28+12/72