Add 15/14 and 70/45
1st number: 1 1/14, 2nd number: 1 25/45
15/14 + 70/45 is 331/126.
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,
15/14 = 15 × 45/14 × 45 = 675/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
70/45 = 70 × 14/45 × 14 = 980/630 - Add the two like fractions:
675/630 + 980/630 = 675 + 980/630 = 1655/630 - 1655/630 simplified gives 331/126
- So, 15/14 + 70/45 = 331/126
In mixed form: 279/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/14+70/45 15/28+70/45 15/14+70/90 45/14+70/45 15/42+70/45 75/14+70/45 15/70+70/45 15/98+70/45