Answers

Add 7/45 and 90/9

1^st number: 7/45, 2^nd number: 10 0/9

7/45 + 90/9 is 457/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 9 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 45 × 1 = 45,
   7/45 = 7 × 1/45 × 1 = 7/45
3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
   90/9 = 90 × 5/9 × 5 = 450/45
4. Add the two like fractions:
   7/45 + 450/45 = 7 + 450/45 = 457/45
5. So, 7/45 + 90/9 = 457/45
   In mixed form: 107/45

MathStep (Works offline)

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

Related: ¹⁴/₄₅+⁹⁰/₉ ⁷/₉₀+⁹⁰/₉ ⁷/₄₅+⁹⁰/₁₈ ²¹/₄₅+⁹⁰/₉ ⁷/₄₅+⁹⁰/₂₇ ³⁵/₄₅+⁹⁰/₉ ⁷/₄₅+⁹⁰/₄₅ ⁴⁹/₄₅+⁹⁰/₉ ⁷/₄₅+⁹⁰/₆₃

Add Fractions Calculator