Answers

Add 90/35 and 63/90

1^st number: 2 20/35, 2^nd number: 63/90

90/35 + 63/90 is 229/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 35 × 18 = 630,
   90/35 = 90 × 18/35 × 18 = 1620/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   63/90 = 63 × 7/90 × 7 = 441/630
4. Add the two like fractions:
   1620/630 + 441/630 = 1620 + 441/630 = 2061/630
5. 2061/630 simplified gives 229/70
6. So, 90/35 + 63/90 = 229/70
   In mixed form: 319/70

MathStep (Works offline)

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

Related: ⁹⁰/₇₀+⁶³/₉₀

Add Fractions Calculator