Subtract 30/72 from 2/35
2/35 - 30/72 is -151/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
2/35 = 2 × 72/35 × 72 = 144/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
30/72 = 30 × 35/72 × 35 = 1050/2520 - Subtract the two like fractions:
144/2520 - 1050/2520 = 144 - 1050/2520 = -906/2520 - After reducing the fraction, the answer is -151/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/35-30/72 2/35-60/72 2/70-30/72 6/35-30/72 2/35-90/72 10/35-30/72 14/35-30/72