Add 7/4 and 7/72
1st number: 1 3/4, 2nd number: 7/72
7/4 + 7/72 is 133/72.
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,
7/4 = 7 × 18/4 × 18 = 126/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Add the two like fractions:
126/72 + 7/72 = 126 + 7/72 = 133/72 - So, 7/4 + 7/72 = 133/72
In mixed form: 161/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4+7/72 7/4+14/72 7/8+7/72 21/4+7/72 7/4+21/72 7/12+7/72 35/4+7/72 7/4+35/72 7/20+7/72 49/4+7/72 7/4+49/72 7/28+7/72