Add 90/56 and 21/25
1st number: 1 34/56, 2nd number: 21/25
90/56 + 21/25 is 1713/700.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 25 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
90/56 = 90 × 25/56 × 25 = 2250/1400 - Likewise, for the 2nd fraction, since 25 × 56 = 1400,
21/25 = 21 × 56/25 × 56 = 1176/1400 - Add the two like fractions:
2250/1400 + 1176/1400 = 2250 + 1176/1400 = 3426/1400 - 3426/1400 simplified gives 1713/700
- So, 90/56 + 21/25 = 1713/700
In mixed form: 2313/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+42/25 90/56+21/50 90/56+63/25 90/56+21/75