Add 48/45 and 80/42
1st number: 1 3/45, 2nd number: 1 38/42
48/45 + 80/42 is 104/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
48/45 = 48 × 14/45 × 14 = 672/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
80/42 = 80 × 15/42 × 15 = 1200/630 - Add the two like fractions:
672/630 + 1200/630 = 672 + 1200/630 = 1872/630 - 1872/630 simplified gives 104/35
- So, 48/45 + 80/42 = 104/35
In mixed form: 234/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/45+80/42 48/90+80/42 48/45+80/84