Answers

Add 90/30 and 4/56

1^st number: 3 0/30, 2^nd number: 4/56

90/30 + 4/56 is 43/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 30 × 28 = 840,
   90/30 = 90 × 28/30 × 28 = 2520/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   4/56 = 4 × 15/56 × 15 = 60/840
4. Add the two like fractions:
   2520/840 + 60/840 = 2520 + 60/840 = 2580/840
5. 2580/840 simplified gives 43/14
6. So, 90/30 + 4/56 = 43/14
   In mixed form: 31/14

MathStep (Works offline)

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

Related: ⁹⁰/₃₀+⁸/₅₆ ⁹⁰/₆₀+⁴/₅₆ ⁹⁰/₃₀+¹²/₅₆ ⁹⁰/₃₀+²⁰/₅₆ ⁹⁰/₃₀+²⁸/₅₆

Add Fractions Calculator