Subtract 25/16 from 30/7
1st number: 4 2/7, 2nd number: 1 9/16
30/7 - 25/16 is 305/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
30/7 = 30 × 16/7 × 16 = 480/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
25/16 = 25 × 7/16 × 7 = 175/112 - Subtract the two like fractions:
480/112 - 175/112 = 480 - 175/112 = 305/112 - In mixed form: 281/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7-25/16 30/7-50/16 30/14-25/16 30/7-25/32 90/7-25/16 30/7-75/16 30/21-25/16 30/7-25/48 30/35-25/16 30/7-25/80 30/49-25/16