Answers

Add 10/63 and 42/40

1^st number: 10/63, 2^nd number: 1 2/40

10/63 + 42/40 is 1523/1260.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 40 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 63 × 40 = 2520,
   10/63 = 10 × 40/63 × 40 = 400/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   42/40 = 42 × 63/40 × 63 = 2646/2520
4. Add the two like fractions:
   400/2520 + 2646/2520 = 400 + 2646/2520 = 3046/2520
5. 3046/2520 simplified gives 1523/1260
6. So, 10/63 + 42/40 = 1523/1260
   In mixed form: 1263/1260

MathStep (Works offline)

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

Related: ²⁰/₆₃+⁴²/₄₀ ¹⁰/₆₃+⁸⁴/₄₀ ¹⁰/₆₃+⁴²/₈₀ ³⁰/₆₃+⁴²/₄₀ ⁵⁰/₆₃+⁴²/₄₀ ⁷⁰/₆₃+⁴²/₄₀

Add Fractions Calculator