Answers

Add 18/72 and 30/48

18/72 + 30/48 is 7/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 48 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 72 × 2 = 144,
   18/72 = 18 × 2/72 × 2 = 36/144
3. Likewise, for the 2nd fraction, since 48 × 3 = 144,
   30/48 = 30 × 3/48 × 3 = 90/144
4. Add the two like fractions:
   36/144 + 90/144 = 36 + 90/144 = 126/144
5. 126/144 simplified gives 7/8
6. So, 18/72 + 30/48 = 7/8

MathStep (Works offline)

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

Related: ³⁶/₇₂+³⁰/₄₈ ¹⁸/₇₂+⁶⁰/₄₈ ¹⁸/₇₂+³⁰/₉₆ ⁵⁴/₇₂+³⁰/₄₈ ¹⁸/₇₂+⁹⁰/₄₈ ⁹⁰/₇₂+³⁰/₄₈

Add Fractions Calculator