Add 32/20 and 10/42
1st number: 1 12/20, 2nd number: 10/42
32/20 + 10/42 is 193/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
32/20 = 32 × 21/20 × 21 = 672/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
10/42 = 10 × 10/42 × 10 = 100/420 - Add the two like fractions:
672/420 + 100/420 = 672 + 100/420 = 772/420 - 772/420 simplified gives 193/105
- So, 32/20 + 10/42 = 193/105
In mixed form: 188/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/20+10/42 32/20+20/42 32/40+10/42 32/20+10/84 96/20+10/42 32/20+30/42 32/60+10/42 32/20+50/42 32/20+70/42