Answers

Add 70/90 and 75/63

1^st number: 70/90, 2^nd number: 1 12/63

70/90 + 75/63 is 124/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   70/90 = 70 × 7/90 × 7 = 490/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   75/63 = 75 × 10/63 × 10 = 750/630
4. Add the two like fractions:
   490/630 + 750/630 = 490 + 750/630 = 1240/630
5. 1240/630 simplified gives 124/63
6. So, 70/90 + 75/63 = 124/63
   In mixed form: 161/63

MathStep (Works offline)

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

Related:

Add Fractions Calculator