Add 72/14 and 40/4
1st number: 5 2/14, 2nd number: 10 0/4
72/14 + 40/4 is 106/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
72/14 = 72 × 2/14 × 2 = 144/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
40/4 = 40 × 7/4 × 7 = 280/28 - Add the two like fractions:
144/28 + 280/28 = 144 + 280/28 = 424/28 - 424/28 simplified gives 106/7
- So, 72/14 + 40/4 = 106/7
In mixed form: 151/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14+80/4 72/28+40/4 72/14+40/8 72/42+40/4 72/14+40/12 72/70+40/4 72/14+40/20 72/98+40/4 72/14+40/28