Add 75/63 and 75/70
1st number: 1 12/63, 2nd number: 1 5/70
75/63 + 75/70 is 95/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
75/63 = 75 × 10/63 × 10 = 750/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
75/70 = 75 × 9/70 × 9 = 675/630 - Add the two like fractions:
750/630 + 675/630 = 750 + 675/630 = 1425/630 - 1425/630 simplified gives 95/42
- So, 75/63 + 75/70 = 95/42
In mixed form: 211/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: