Answers

Add 90/35 and 12/45

1^st number: 2 20/35, 2^nd number: 12/45

90/35 + 12/45 is 298/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 35 × 9 = 315,
   90/35 = 90 × 9/35 × 9 = 810/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   12/45 = 12 × 7/45 × 7 = 84/315
4. Add the two like fractions:
   810/315 + 84/315 = 810 + 84/315 = 894/315
5. 894/315 simplified gives 298/105
6. So, 90/35 + 12/45 = 298/105
   In mixed form: 288/105

MathStep (Works offline)

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

Related: ⁹⁰/₃₅+²⁴/₄₅ ⁹⁰/₇₀+¹²/₄₅ ⁹⁰/₃₅+¹²/₉₀ ⁹⁰/₃₅+³⁶/₄₅ ⁹⁰/₃₅+⁶⁰/₄₅ ⁹⁰/₃₅+⁸⁴/₄₅

Add Fractions Calculator