Answers

Add 15/98 and 81/45

1^st number: 15/98, 2^nd number: 1 36/45

15/98 + 81/45 is 957/490.

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,
   15/98 = 15 × 45/98 × 45 = 675/4410
3. Likewise, for the 2nd fraction, since 45 × 98 = 4410,
   81/45 = 81 × 98/45 × 98 = 7938/4410
4. Add the two like fractions:
   675/4410 + 7938/4410 = 675 + 7938/4410 = 8613/4410
5. 8613/4410 simplified gives 957/490
6. So, 15/98 + 81/45 = 957/490
   In mixed form: 1467/490

MathStep (Works offline)

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

Related: ³⁰/₉₈+⁸¹/₄₅ ¹⁵/₉₈+⁸¹/₉₀ ⁴⁵/₉₈+⁸¹/₄₅ ⁷⁵/₉₈+⁸¹/₄₅

Add Fractions Calculator