Answers

Add 84/98 and 54/45

1^st number: 84/98, 2^nd number: 1 9/45

84/98 + 54/45 is 72/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 45 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 98 × 45 = 4410,
   84/98 = 84 × 45/98 × 45 = 3780/4410
3. Likewise, for the 2nd fraction, since 45 × 98 = 4410,
   54/45 = 54 × 98/45 × 98 = 5292/4410
4. Add the two like fractions:
   3780/4410 + 5292/4410 = 3780 + 5292/4410 = 9072/4410
5. 9072/4410 simplified gives 72/35
6. So, 84/98 + 54/45 = 72/35
   In mixed form: 22/35

MathStep (Works offline)

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

Related: ⁸⁴/₉₈+⁵⁴/₉₀

Add Fractions Calculator