Answers

Add 63/14 and 72/40

1^st number: 4 7/14, 2^nd number: 1 32/40

63/14 + 72/40 is 63/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 14 × 20 = 280,
   63/14 = 63 × 20/14 × 20 = 1260/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   72/40 = 72 × 7/40 × 7 = 504/280
4. Add the two like fractions:
   1260/280 + 504/280 = 1260 + 504/280 = 1764/280
5. 1764/280 simplified gives 63/10
6. So, 63/14 + 72/40 = 63/10
   In mixed form: 63/10

MathStep (Works offline)

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

Related: ⁶³/₂₈+⁷²/₄₀ ⁶³/₁₄+⁷²/₈₀ ⁶³/₄₂+⁷²/₄₀ ⁶³/₇₀+⁷²/₄₀ ⁶³/₉₈+⁷²/₄₀

Add Fractions Calculator