Add 75/56 and 5/90
1st number: 1 19/56, 2nd number: 5/90
75/56 + 5/90 is 703/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
75/56 = 75 × 45/56 × 45 = 3375/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
5/90 = 5 × 28/90 × 28 = 140/2520 - Add the two like fractions:
3375/2520 + 140/2520 = 3375 + 140/2520 = 3515/2520 - 3515/2520 simplified gives 703/504
- So, 75/56 + 5/90 = 703/504
In mixed form: 1199/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/56+10/90 75/56+15/90 75/56+25/90 75/56+35/90