Add 72/45 and 4/14
1st number: 1 27/45, 2nd number: 4/14
72/45 + 4/14 is 66/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
72/45 = 72 × 14/45 × 14 = 1008/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
4/14 = 4 × 45/14 × 45 = 180/630 - Add the two like fractions:
1008/630 + 180/630 = 1008 + 180/630 = 1188/630 - 1188/630 simplified gives 66/35
- So, 72/45 + 4/14 = 66/35
In mixed form: 131/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45+8/14 72/90+4/14 72/45+4/28 72/45+12/14 72/45+4/42 72/45+20/14 72/45+4/70 72/45+28/14 72/45+4/98