Answers

Add 90/40 and 15/35

1^st number: 2 10/40, 2^nd number: 15/35

90/40 + 15/35 is 75/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 35 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   90/40 = 90 × 7/40 × 7 = 630/280
3. Likewise, for the 2nd fraction, since 35 × 8 = 280,
   15/35 = 15 × 8/35 × 8 = 120/280
4. Add the two like fractions:
   630/280 + 120/280 = 630 + 120/280 = 750/280
5. 750/280 simplified gives 75/28
6. So, 90/40 + 15/35 = 75/28
   In mixed form: 219/28

MathStep (Works offline)

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

Related: ⁹⁰/₄₀+³⁰/₃₅ ⁹⁰/₈₀+¹⁵/₃₅ ⁹⁰/₄₀+¹⁵/₇₀ ⁹⁰/₄₀+⁴⁵/₃₅ ⁹⁰/₄₀+⁷⁵/₃₅

Add Fractions Calculator