Answers

Add 42/48 and 63/40

1^st number: 42/48, 2^nd number: 1 23/40

42/48 + 63/40 is 49/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 40 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   42/48 = 42 × 5/48 × 5 = 210/240
3. Likewise, for the 2nd fraction, since 40 × 6 = 240,
   63/40 = 63 × 6/40 × 6 = 378/240
4. Add the two like fractions:
   210/240 + 378/240 = 210 + 378/240 = 588/240
5. 588/240 simplified gives 49/20
6. So, 42/48 + 63/40 = 49/20
   In mixed form: 29/20

MathStep (Works offline)

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

Related: ⁸⁴/₄₈+⁶³/₄₀ ⁴²/₉₆+⁶³/₄₀ ⁴²/₄₈+⁶³/₈₀

Add Fractions Calculator