Add 90/14 and 75/70
1st number: 6 6/14, 2nd number: 1 5/70
90/14 + 75/70 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
90/14 = 90 × 5/14 × 5 = 450/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
75/70 = 75 × 1/70 × 1 = 75/70 - Add the two like fractions:
450/70 + 75/70 = 450 + 75/70 = 525/70 - 525/70 simplified gives 15/2
- So, 90/14 + 75/70 = 15/2
In mixed form: 71/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+75/70 90/42+75/70 90/70+75/70 90/98+75/70