Answers

Add 63/56 and 3/40

1^st number: 1 7/56, 2^nd number: 3/40

63/56 + 3/40 is 6/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   63/56 = 63 × 5/56 × 5 = 315/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   3/40 = 3 × 7/40 × 7 = 21/280
4. Add the two like fractions:
   315/280 + 21/280 = 315 + 21/280 = 336/280
5. 336/280 simplified gives 6/5
6. So, 63/56 + 3/40 = 6/5
   In mixed form: 11/5

MathStep (Works offline)

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

Related: ⁶³/₅₆+⁶/₄₀ ⁶³/₅₆+³/₈₀ ⁶³/₅₆+⁹/₄₀ ⁶³/₅₆+¹⁵/₄₀ ⁶³/₅₆+²¹/₄₀

Add Fractions Calculator