Answers

Add 7/40 and 42/5

1^st number: 7/40, 2^nd number: 8 2/5

7/40 + 42/5 is 343/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 5 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 40 × 1 = 40,
   7/40 = 7 × 1/40 × 1 = 7/40
3. Likewise, for the 2nd fraction, since 5 × 8 = 40,
   42/5 = 42 × 8/5 × 8 = 336/40
4. Add the two like fractions:
   7/40 + 336/40 = 7 + 336/40 = 343/40
5. So, 7/40 + 42/5 = 343/40
   In mixed form: 823/40

MathStep (Works offline)

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

Related: ¹⁴/₄₀+⁴²/₅ ⁷/₄₀+⁸⁴/₅ ⁷/₈₀+⁴²/₅ ⁷/₄₀+⁴²/₁₀ ²¹/₄₀+⁴²/₅ ⁷/₄₀+⁴²/₁₅ ³⁵/₄₀+⁴²/₅ ⁷/₄₀+⁴²/₂₅ ⁴⁹/₄₀+⁴²/₅ ⁷/₄₀+⁴²/₃₅

Add Fractions Calculator