Answers

Add 49/8 and 63/40

1^st number: 6 1/8, 2^nd number: 1 23/40

49/8 + 63/40 is 77/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 40 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 8 × 5 = 40,
   49/8 = 49 × 5/8 × 5 = 245/40
3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
   63/40 = 63 × 1/40 × 1 = 63/40
4. Add the two like fractions:
   245/40 + 63/40 = 245 + 63/40 = 308/40
5. 308/40 simplified gives 77/10
6. So, 49/8 + 63/40 = 77/10
   In mixed form: 77/10

MathStep (Works offline)

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

Related: ⁹⁸/₈+⁶³/₄₀ ⁴⁹/₁₆+⁶³/₄₀ ⁴⁹/₈+⁶³/₈₀ ⁴⁹/₂₄+⁶³/₄₀ ⁴⁹/₄₀+⁶³/₄₀ ⁴⁹/₅₆+⁶³/₄₀

Add Fractions Calculator