Answers

Add 42/98 and 45/12

1^st number: 42/98, 2^nd number: 3 9/12

42/98 + 45/12 is 117/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 12 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 98 × 6 = 588,
   42/98 = 42 × 6/98 × 6 = 252/588
3. Likewise, for the 2nd fraction, since 12 × 49 = 588,
   45/12 = 45 × 49/12 × 49 = 2205/588
4. Add the two like fractions:
   252/588 + 2205/588 = 252 + 2205/588 = 2457/588
5. 2457/588 simplified gives 117/28
6. So, 42/98 + 45/12 = 117/28
   In mixed form: 45/28

MathStep (Works offline)

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

Related: ⁸⁴/₉₈+⁴⁵/₁₂ ⁴²/₉₈+⁹⁰/₁₂ ⁴²/₉₈+⁴⁵/₂₄ ⁴²/₉₈+⁴⁵/₃₆ ⁴²/₉₈+⁴⁵/₆₀ ⁴²/₉₈+⁴⁵/₈₄

Add Fractions Calculator