Add 90/14 and 72/28
1st number: 6 6/14, 2nd number: 2 16/28
90/14 + 72/28 is 9/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
90/14 = 90 × 2/14 × 2 = 180/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
72/28 = 72 × 1/28 × 1 = 72/28 - Add the two like fractions:
180/28 + 72/28 = 180 + 72/28 = 252/28 - 252/28 simplified gives 9/1
- So, 90/14 + 72/28 = 9/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+72/28 90/14+72/56 90/42+72/28 90/14+72/84 90/70+72/28 90/98+72/28