Add 90/70 and 5/14
1st number: 1 20/70, 2nd number: 5/14
90/70 + 5/14 is 23/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
90/70 = 90 × 1/70 × 1 = 90/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
5/14 = 5 × 5/14 × 5 = 25/70 - Add the two like fractions:
90/70 + 25/70 = 90 + 25/70 = 115/70 - 115/70 simplified gives 23/14
- So, 90/70 + 5/14 = 23/14
In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+10/14 90/70+5/28 90/70+15/14 90/70+5/42 90/70+25/14 90/70+5/70 90/70+35/14 90/70+5/98