Answers

Add 72/49 and 4/40

1^st number: 1 23/49, 2^nd number: 4/40

72/49 + 4/40 is 769/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 40 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 49 × 40 = 1960,
   72/49 = 72 × 40/49 × 40 = 2880/1960
3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
   4/40 = 4 × 49/40 × 49 = 196/1960
4. Add the two like fractions:
   2880/1960 + 196/1960 = 2880 + 196/1960 = 3076/1960
5. 3076/1960 simplified gives 769/490
6. So, 72/49 + 4/40 = 769/490
   In mixed form: 1279/490

MathStep (Works offline)

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

Related: ⁷²/₄₉+⁸/₄₀ ⁷²/₉₈+⁴/₄₀ ⁷²/₄₉+⁴/₈₀ ⁷²/₄₉+¹²/₄₀ ⁷²/₄₉+²⁰/₄₀ ⁷²/₄₉+²⁸/₄₀

Add Fractions Calculator