Answers

Add 72/70 and 2/80

1^st number: 1 2/70, 2^nd number: 2/80

72/70 + 2/80 is 59/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 70 × 8 = 560,
   72/70 = 72 × 8/70 × 8 = 576/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   2/80 = 2 × 7/80 × 7 = 14/560
4. Add the two like fractions:
   576/560 + 14/560 = 576 + 14/560 = 590/560
5. 590/560 simplified gives 59/56
6. So, 72/70 + 2/80 = 59/56
   In mixed form: 13/56

MathStep (Works offline)

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

Related: ⁷²/₇₀+⁴/₈₀ ⁷²/₇₀+⁶/₈₀ ⁷²/₇₀+¹⁰/₈₀ ⁷²/₇₀+¹⁴/₈₀

Add Fractions Calculator