Answers

Add 72/45 and 72/49

1^st number: 1 27/45, 2^nd number: 1 23/49

72/45 + 72/49 is 752/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 49 is 2205
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2205
2. For the 1st fraction, since 45 × 49 = 2205,
   72/45 = 72 × 49/45 × 49 = 3528/2205
3. Likewise, for the 2nd fraction, since 49 × 45 = 2205,
   72/49 = 72 × 45/49 × 45 = 3240/2205
4. Add the two like fractions:
   3528/2205 + 3240/2205 = 3528 + 3240/2205 = 6768/2205
5. 6768/2205 simplified gives 752/245
6. So, 72/45 + 72/49 = 752/245
   In mixed form: 317/245

MathStep (Works offline)

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

Related: ⁷²/₉₀+⁷²/₄₉ ⁷²/₄₅+⁷²/₉₈

Add Fractions Calculator