Answers

Add 90/80 and 48/63

1^st number: 1 10/80, 2^nd number: 48/63

90/80 + 48/63 is 317/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 63 is 5040
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5040
2. For the 1st fraction, since 80 × 63 = 5040,
   90/80 = 90 × 63/80 × 63 = 5670/5040
3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
   48/63 = 48 × 80/63 × 80 = 3840/5040
4. Add the two like fractions:
   5670/5040 + 3840/5040 = 5670 + 3840/5040 = 9510/5040
5. 9510/5040 simplified gives 317/168
6. So, 90/80 + 48/63 = 317/168
   In mixed form: 1149/168

MathStep (Works offline)

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

Related: ⁹⁰/₈₀+⁹⁶/₆₃

Add Fractions Calculator