Answers

Add 16/70 and 98/90

1^st number: 16/70, 2^nd number: 1 8/90

16/70 + 98/90 is 83/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   16/70 = 16 × 9/70 × 9 = 144/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   98/90 = 98 × 7/90 × 7 = 686/630
4. Add the two like fractions:
   144/630 + 686/630 = 144 + 686/630 = 830/630
5. 830/630 simplified gives 83/63
6. So, 16/70 + 98/90 = 83/63
   In mixed form: 120/63

MathStep (Works offline)

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

Related: ³²/₇₀+⁹⁸/₉₀ ⁴⁸/₇₀+⁹⁸/₉₀ ⁸⁰/₇₀+⁹⁸/₉₀

Add Fractions Calculator