Add 72/14 and 3/45
1st number: 5 2/14, 2nd number: 3/45
72/14 + 3/45 is 547/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
72/14 = 72 × 45/14 × 45 = 3240/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
3/45 = 3 × 14/45 × 14 = 42/630 - Add the two like fractions:
3240/630 + 42/630 = 3240 + 42/630 = 3282/630 - 3282/630 simplified gives 547/105
- So, 72/14 + 3/45 = 547/105
In mixed form: 522/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14+6/45 72/28+3/45 72/14+3/90 72/14+9/45 72/42+3/45 72/14+15/45 72/70+3/45 72/14+21/45 72/98+3/45