Answers

Add 30/48 and 80/70

1^st number: 30/48, 2^nd number: 1 10/70

30/48 + 80/70 is 99/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 70 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 48 × 35 = 1680,
   30/48 = 30 × 35/48 × 35 = 1050/1680
3. Likewise, for the 2nd fraction, since 70 × 24 = 1680,
   80/70 = 80 × 24/70 × 24 = 1920/1680
4. Add the two like fractions:
   1050/1680 + 1920/1680 = 1050 + 1920/1680 = 2970/1680
5. 2970/1680 simplified gives 99/56
6. So, 30/48 + 80/70 = 99/56
   In mixed form: 143/56

MathStep (Works offline)

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

Related: ⁶⁰/₄₈+⁸⁰/₇₀ ³⁰/₉₆+⁸⁰/₇₀ ⁹⁰/₄₈+⁸⁰/₇₀

Add Fractions Calculator