Answers

Add 25/8 and 42/60

1^st number: 3 1/8, 2^nd number: 42/60

25/8 + 42/60 is 153/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 60 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 8 × 15 = 120,
   25/8 = 25 × 15/8 × 15 = 375/120
3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
   42/60 = 42 × 2/60 × 2 = 84/120
4. Add the two like fractions:
   375/120 + 84/120 = 375 + 84/120 = 459/120
5. 459/120 simplified gives 153/40
6. So, 25/8 + 42/60 = 153/40
   In mixed form: 333/40

MathStep (Works offline)

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

Related: ⁵⁰/₈+⁴²/₆₀ ²⁵/₈+⁸⁴/₆₀ ²⁵/₁₆+⁴²/₆₀ ⁷⁵/₈+⁴²/₆₀ ²⁵/₂₄+⁴²/₆₀ ²⁵/₄₀+⁴²/₆₀ ²⁵/₅₆+⁴²/₆₀

Add Fractions Calculator