Subtract 28/42 from 49/10
1st number: 4 9/10, 2nd number: 28/42
49/10 - 28/42 is 127/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
49/10 = 49 × 21/10 × 21 = 1029/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
28/42 = 28 × 5/42 × 5 = 140/210 - Subtract the two like fractions:
1029/210 - 140/210 = 1029 - 140/210 = 889/210 - After reducing the fraction, the answer is 127/30
- In mixed form: 47/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/10-28/42 49/10-56/42 49/20-28/42 49/10-28/84 49/10-84/42 49/30-28/42 49/50-28/42 49/70-28/42