Answers

Add 75/70 and 20/4

1^st number: 1 5/70, 2^nd number: 5 0/4

75/70 + 20/4 is 85/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 4 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   75/70 = 75 × 2/70 × 2 = 150/140
3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
   20/4 = 20 × 35/4 × 35 = 700/140
4. Add the two like fractions:
   150/140 + 700/140 = 150 + 700/140 = 850/140
5. 850/140 simplified gives 85/14
6. So, 75/70 + 20/4 = 85/14
   In mixed form: 61/14

MathStep (Works offline)

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

Related: ⁷⁵/₇₀+⁴⁰/₄ ⁷⁵/₇₀+²⁰/₈ ⁷⁵/₇₀+⁶⁰/₄ ⁷⁵/₇₀+²⁰/₁₂ ⁷⁵/₇₀+²⁰/₂₈

Add Fractions Calculator