Answers

Add 90/49 and 48/40

1^st number: 1 41/49, 2^nd number: 1 8/40

90/49 + 48/40 is 744/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 40 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 49 × 40 = 1960,
   90/49 = 90 × 40/49 × 40 = 3600/1960
3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
   48/40 = 48 × 49/40 × 49 = 2352/1960
4. Add the two like fractions:
   3600/1960 + 2352/1960 = 3600 + 2352/1960 = 5952/1960
5. 5952/1960 simplified gives 744/245
6. So, 90/49 + 48/40 = 744/245
   In mixed form: 39/245

MathStep (Works offline)

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

Related: ⁹⁰/₄₉+⁹⁶/₄₀ ⁹⁰/₉₈+⁴⁸/₄₀ ⁹⁰/₄₉+⁴⁸/₈₀

Add Fractions Calculator