Add 45/14 and 72/7
1st number: 3 3/14, 2nd number: 10 2/7
45/14 + 72/7 is 27/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 14 × 1 = 14,
45/14 = 45 × 1/14 × 1 = 45/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
72/7 = 72 × 2/7 × 2 = 144/14 - Add the two like fractions:
45/14 + 144/14 = 45 + 144/14 = 189/14 - 189/14 simplified gives 27/2
- So, 45/14 + 72/7 = 27/2
In mixed form: 131/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+72/7 45/28+72/7 45/14+72/14 45/42+72/7 45/14+72/21 45/70+72/7 45/14+72/35 45/98+72/7 45/14+72/49