Add 64/4 and 70/72
1st number: 16 0/4, 2nd number: 70/72
64/4 + 70/72 is 611/36.
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,
64/4 = 64 × 18/4 × 18 = 1152/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
70/72 = 70 × 1/72 × 1 = 70/72 - Add the two like fractions:
1152/72 + 70/72 = 1152 + 70/72 = 1222/72 - 1222/72 simplified gives 611/36
- So, 64/4 + 70/72 = 611/36
In mixed form: 1635/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/8+70/72 64/12+70/72 64/20+70/72 64/28+70/72