Answers

Add 40/70 and 63/16

1^st number: 40/70, 2^nd number: 3 15/16

40/70 + 63/16 is 505/112.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 16 is 560
2. For the 1st fraction, since 70 × 8 = 560,
   40/70 = 40 × 8/70 × 8 = 320/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   63/16 = 63 × 35/16 × 35 = 2205/560
4. Add the two fractions:
   320/560 + 2205/560 = 320 + 2205/560 = 2525/560
5. 2525/560 simplified gives 505/112
6. So, 40/70 + 63/16 = 505/112
   In mixed form: 457/112

MathStep (Works offline)

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

Related: ⁸⁰/₇₀+⁶³/₁₆ ⁴⁰/₇₀+⁶³/₃₂ ⁴⁰/₇₀+⁶³/₄₈ ⁴⁰/₇₀+⁶³/₈₀

Add Fractions Calculator