Answers

Add 72/98 and 84/45

1^st number: 72/98, 2^nd number: 1 39/45

72/98 + 84/45 is 1912/735.

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,
   72/98 = 72 × 45/98 × 45 = 3240/4410
3. Likewise, for the 2nd fraction, since 45 × 98 = 4410,
   84/45 = 84 × 98/45 × 98 = 8232/4410
4. Add the two like fractions:
   3240/4410 + 8232/4410 = 3240 + 8232/4410 = 11472/4410
5. 11472/4410 simplified gives 1912/735
6. So, 72/98 + 84/45 = 1912/735
   In mixed form: 2442/735

MathStep (Works offline)

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

Related: ⁷²/₉₈+⁸⁴/₉₀

Add Fractions Calculator