Answers

Add 42/49 and 70/45

1^st number: 42/49, 2^nd number: 1 25/45

42/49 + 70/45 is 152/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 45 is 2205
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2205
2. For the 1st fraction, since 49 × 45 = 2205,
   42/49 = 42 × 45/49 × 45 = 1890/2205
3. Likewise, for the 2nd fraction, since 45 × 49 = 2205,
   70/45 = 70 × 49/45 × 49 = 3430/2205
4. Add the two like fractions:
   1890/2205 + 3430/2205 = 1890 + 3430/2205 = 5320/2205
5. 5320/2205 simplified gives 152/63
6. So, 42/49 + 70/45 = 152/63
   In mixed form: 226/63

MathStep (Works offline)

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

Related: ⁸⁴/₄₉+⁷⁰/₄₅ ⁴²/₉₈+⁷⁰/₄₅ ⁴²/₄₉+⁷⁰/₉₀

Add Fractions Calculator