Subtract 9/15 from 16/70
16/70 - 9/15 is -13/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
16/70 = 16 × 3/70 × 3 = 48/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
9/15 = 9 × 14/15 × 14 = 126/210 - Subtract the two like fractions:
48/210 - 126/210 = 48 - 126/210 = -78/210 - After reducing the fraction, the answer is -13/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/70-9/15 16/70-18/15 16/70-9/30 48/70-9/15 16/70-27/15 16/70-9/45 80/70-9/15 16/70-45/15 16/70-9/75 16/70-63/15