Add 14/56 and 90/21
1st number: 14/56, 2nd number: 4 6/21
14/56 + 90/21 is 127/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
14/56 = 14 × 3/56 × 3 = 42/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
90/21 = 90 × 8/21 × 8 = 720/168 - Add the two like fractions:
42/168 + 720/168 = 42 + 720/168 = 762/168 - 762/168 simplified gives 127/28
- So, 14/56 + 90/21 = 127/28
In mixed form: 415/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56+90/21 14/56+90/42 42/56+90/21 14/56+90/63 70/56+90/21 98/56+90/21