Answers

Add 4/84 and 98/90

1^st number: 4/84, 2^nd number: 1 8/90

4/84 + 98/90 is 358/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   4/84 = 4 × 15/84 × 15 = 60/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   98/90 = 98 × 14/90 × 14 = 1372/1260
4. Add the two like fractions:
   60/1260 + 1372/1260 = 60 + 1372/1260 = 1432/1260
5. 1432/1260 simplified gives 358/315
6. So, 4/84 + 98/90 = 358/315
   In mixed form: 143/315

MathStep (Works offline)

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

Related: ⁸/₈₄+⁹⁸/₉₀ ¹²/₈₄+⁹⁸/₉₀ ²⁰/₈₄+⁹⁸/₉₀ ²⁸/₈₄+⁹⁸/₉₀

Add Fractions Calculator