Add 4/90 and 75/56
1st number: 4/90, 2nd number: 1 19/56
4/90 + 75/56 is 3487/2520.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
4/90 = 4 × 28/90 × 28 = 112/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
75/56 = 75 × 45/56 × 45 = 3375/2520 - Add the two like fractions:
112/2520 + 3375/2520 = 112 + 3375/2520 = 3487/2520 - So, 4/90 + 75/56 = 3487/2520
In mixed form: 1967/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+75/56 12/90+75/56 20/90+75/56 28/90+75/56