Subtract 25/49 from 21/28
21/28 - 25/49 is 47/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
21/28 = 21 × 7/28 × 7 = 147/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
25/49 = 25 × 4/49 × 4 = 100/196 - Subtract the two like fractions:
147/196 - 100/196 = 147 - 100/196 = 47/196
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