Answers

Add 75/90 and 90/56

1^st number: 75/90, 2^nd number: 1 34/56

75/90 + 90/56 is 205/84.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 90 × 28 = 2520,
   75/90 = 75 × 28/90 × 28 = 2100/2520
3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
   90/56 = 90 × 45/56 × 45 = 4050/2520
4. Add the two like fractions:
   2100/2520 + 4050/2520 = 2100 + 4050/2520 = 6150/2520
5. 6150/2520 simplified gives 205/84
6. So, 75/90 + 90/56 = 205/84
   In mixed form: 237/84

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

Add Fractions Calculator