Answers

Add 72/3 and 42/70

1^st number: 24 0/3, 2^nd number: 42/70

72/3 + 42/70 is 123/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 3 × 70 = 210,
   72/3 = 72 × 70/3 × 70 = 5040/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   42/70 = 42 × 3/70 × 3 = 126/210
4. Add the two like fractions:
   5040/210 + 126/210 = 5040 + 126/210 = 5166/210
5. 5166/210 simplified gives 123/5
6. So, 72/3 + 42/70 = 123/5
   In mixed form: 243/5

MathStep (Works offline)

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

Related: ⁷²/₃+⁸⁴/₇₀ ⁷²/₆+⁴²/₇₀ ⁷²/₉+⁴²/₇₀ ⁷²/₁₅+⁴²/₇₀ ⁷²/₂₁+⁴²/₇₀

Add Fractions Calculator