Answers

Add 90/10 and 70/45

1^st number: 9 0/10, 2^nd number: 1 25/45

90/10 + 70/45 is 95/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   90/10 = 90 × 9/10 × 9 = 810/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   70/45 = 70 × 2/45 × 2 = 140/90
4. Add the two like fractions:
   810/90 + 140/90 = 810 + 140/90 = 950/90
5. 950/90 simplified gives 95/9
6. So, 90/10 + 70/45 = 95/9
   In mixed form: 105/9

MathStep (Works offline)

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

Related: ⁹⁰/₂₀+⁷⁰/₄₅ ⁹⁰/₁₀+⁷⁰/₉₀ ⁹⁰/₃₀+⁷⁰/₄₅ ⁹⁰/₅₀+⁷⁰/₄₅ ⁹⁰/₇₀+⁷⁰/₄₅

Add Fractions Calculator