Subtract 15/30 from 16/35
16/35 - 15/30 is -3/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
16/35 = 16 × 6/35 × 6 = 96/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
15/30 = 15 × 7/30 × 7 = 105/210 - Subtract the two like fractions:
96/210 - 105/210 = 96 - 105/210 = -9/210 - After reducing the fraction, the answer is -3/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/35-15/30 16/70-15/30 16/35-15/60 48/35-15/30 16/35-45/30 16/35-15/90 80/35-15/30 16/35-75/30