Answers

Subtract 48/45 from 98/80

1^st number: 1 18/80, 2^nd number: 1 3/45

98/80 - 48/45 is 19/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 45 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 80 × 9 = 720,
   98/80 = 98 × 9/80 × 9 = 882/720
3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
   48/45 = 48 × 16/45 × 16 = 768/720
4. Subtract the two like fractions:
   882/720 - 768/720 = 882 - 768/720 = 114/720
5. After reducing the fraction, the answer is 19/120

MathStep (Works offline)

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

Related: ⁹⁸/₈₀-⁹⁶/₄₅ ⁹⁸/₈₀-⁴⁸/₉₀

Subtract Fractions Calculator