Answers

Add 75/45 and 70/25

1^st number: 1 30/45, 2^nd number: 2 20/25

75/45 + 70/25 is 67/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 25 is 225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 225
2. For the 1st fraction, since 45 × 5 = 225,
   75/45 = 75 × 5/45 × 5 = 375/225
3. Likewise, for the 2nd fraction, since 25 × 9 = 225,
   70/25 = 70 × 9/25 × 9 = 630/225
4. Add the two like fractions:
   375/225 + 630/225 = 375 + 630/225 = 1005/225
5. 1005/225 simplified gives 67/15
6. So, 75/45 + 70/25 = 67/15
   In mixed form: 47/15

MathStep (Works offline)

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

Related: ⁷⁵/₉₀+⁷⁰/₂₅ ⁷⁵/₄₅+⁷⁰/₅₀ ⁷⁵/₄₅+⁷⁰/₇₅

Add Fractions Calculator