Add 90/4 and 21/14
1st number: 22 2/4, 2nd number: 1 7/14
90/4 + 21/14 is 24/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
90/4 = 90 × 7/4 × 7 = 630/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
21/14 = 21 × 2/14 × 2 = 42/28 - Add the two like fractions:
630/28 + 42/28 = 630 + 42/28 = 672/28 - 672/28 simplified gives 24/1
- So, 90/4 + 21/14 = 24/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+42/14 90/8+21/14 90/4+21/28 90/4+63/14 90/12+21/14 90/4+21/42 90/20+21/14 90/4+21/70 90/28+21/14 90/4+21/98