Answers

Add 48/30 and 15/90

1^st number: 1 18/30, 2^nd number: 15/90

48/30 + 15/90 is 53/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 30 × 3 = 90,
   48/30 = 48 × 3/30 × 3 = 144/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   15/90 = 15 × 1/90 × 1 = 15/90
4. Add the two like fractions:
   144/90 + 15/90 = 144 + 15/90 = 159/90
5. 159/90 simplified gives 53/30
6. So, 48/30 + 15/90 = 53/30
   In mixed form: 123/30

MathStep (Works offline)

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

Related: ⁹⁶/₃₀+¹⁵/₉₀ ⁴⁸/₃₀+³⁰/₉₀ ⁴⁸/₆₀+¹⁵/₉₀ ⁴⁸/₃₀+⁴⁵/₉₀ ⁴⁸/₉₀+¹⁵/₉₀ ⁴⁸/₃₀+⁷⁵/₉₀

Add Fractions Calculator