Answers

Add 70/54 and 48/40

1^st number: 1 16/54, 2^nd number: 1 8/40

70/54 + 48/40 is 337/135.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 40 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 54 × 20 = 1080,
   70/54 = 70 × 20/54 × 20 = 1400/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   48/40 = 48 × 27/40 × 27 = 1296/1080
4. Add the two like fractions:
   1400/1080 + 1296/1080 = 1400 + 1296/1080 = 2696/1080
5. 2696/1080 simplified gives 337/135
6. So, 70/54 + 48/40 = 337/135
   In mixed form: 267/135

MathStep (Works offline)

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

Related: ⁷⁰/₅₄+⁹⁶/₄₀ ⁷⁰/₅₄+⁴⁸/₈₀

Add Fractions Calculator