Subtract 7/27 from 72/70
1st number: 1 2/70, 2nd number: 7/27
72/70 - 7/27 is 727/945.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 27 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
72/70 = 72 × 27/70 × 27 = 1944/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
7/27 = 7 × 70/27 × 70 = 490/1890 - Subtract the two like fractions:
1944/1890 - 490/1890 = 1944 - 490/1890 = 1454/1890 - After reducing the fraction, the answer is 727/945
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70-14/27 72/70-7/54 72/70-21/27 72/70-7/81 72/70-35/27 72/70-49/27