Subtract 7/24 from 9/70
9/70 - 7/24 is -137/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
9/70 = 9 × 12/70 × 12 = 108/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
7/24 = 7 × 35/24 × 35 = 245/840 - Subtract the two like fractions:
108/840 - 245/840 = 108 - 245/840 = -137/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70-7/24 9/70-14/24 9/70-7/48 27/70-7/24 9/70-21/24 9/70-7/72 45/70-7/24 9/70-35/24 63/70-7/24 9/70-49/24