Add 30/20 and 32/42
1st number: 1 10/20, 2nd number: 32/42
30/20 + 32/42 is 95/42.
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,
30/20 = 30 × 21/20 × 21 = 630/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
32/42 = 32 × 10/42 × 10 = 320/420 - Add the two like fractions:
630/420 + 320/420 = 630 + 320/420 = 950/420 - 950/420 simplified gives 95/42
- So, 30/20 + 32/42 = 95/42
In mixed form: 211/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+32/42 30/20+64/42 30/40+32/42 30/20+32/84 90/20+32/42 30/20+96/42 30/60+32/42