Subtract 1/28 from 70/4
1st number: 17 2/4, 2nd number: 1/28
70/4 - 1/28 is 489/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
70/4 = 70 × 7/4 × 7 = 490/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
1/28 = 1 × 1/28 × 1 = 1/28 - Subtract the two like fractions:
490/28 - 1/28 = 490 - 1/28 = 489/28 - In mixed form: 1713/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-2/28 70/8-1/28 70/4-1/56 70/4-3/28 70/12-1/28 70/4-1/84 70/4-5/28 70/20-1/28 70/4-7/28 70/28-1/28