Answers

Add 42/70 and 42/24

1^st number: 42/70, 2^nd number: 1 18/24

42/70 + 42/24 is 47/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 24 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 70 × 12 = 840,
   42/70 = 42 × 12/70 × 12 = 504/840
3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
   42/24 = 42 × 35/24 × 35 = 1470/840
4. Add the two like fractions:
   504/840 + 1470/840 = 504 + 1470/840 = 1974/840
5. 1974/840 simplified gives 47/20
6. So, 42/70 + 42/24 = 47/20
   In mixed form: 27/20

MathStep (Works offline)

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

Related: ⁸⁴/₇₀+⁴²/₂₄ ⁴²/₇₀+⁸⁴/₂₄ ⁴²/₇₀+⁴²/₄₈ ⁴²/₇₀+⁴²/₇₂

Add Fractions Calculator