Answers

Add 90/48 and 32/20

1^st number: 1 42/48, 2^nd number: 1 12/20

90/48 + 32/20 is 139/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 20 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   90/48 = 90 × 5/48 × 5 = 450/240
3. Likewise, for the 2nd fraction, since 20 × 12 = 240,
   32/20 = 32 × 12/20 × 12 = 384/240
4. Add the two like fractions:
   450/240 + 384/240 = 450 + 384/240 = 834/240
5. 834/240 simplified gives 139/40
6. So, 90/48 + 32/20 = 139/40
   In mixed form: 319/40

MathStep (Works offline)

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

Related: ⁹⁰/₄₈+⁶⁴/₂₀ ⁹⁰/₉₆+³²/₂₀ ⁹⁰/₄₈+³²/₄₀ ⁹⁰/₄₈+⁹⁶/₂₀ ⁹⁰/₄₈+³²/₆₀

Add Fractions Calculator