Answers

Add 36/4 and 21/40

1^st number: 9 0/4, 2^nd number: 21/40

36/4 + 21/40 is 381/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 40 is 40
2. For the 1st fraction, since 4 × 10 = 40,
   36/4 = 36 × 10/4 × 10 = 360/40
3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
   21/40 = 21 × 1/40 × 1 = 21/40
4. Add the two fractions:
   360/40 + 21/40 = 360 + 21/40 = 381/40
5. So, 36/4 + 21/40 = 381/40
   In mixed form: 921/40

MathStep (Works offline)

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

Related: ⁷²/₄+²¹/₄₀ ³⁶/₄+⁴²/₄₀ ³⁶/₈+²¹/₄₀ ³⁶/₄+²¹/₈₀ ³⁶/₄+⁶³/₄₀ ³⁶/₁₂+²¹/₄₀ ³⁶/₂₀+²¹/₄₀ ³⁶/₂₈+²¹/₄₀

Add Fractions Calculator