Subtract 1/48 from 72/21
1st number: 3 9/21, 2nd number: 1/48
72/21 - 1/48 is 1145/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
72/21 = 72 × 16/21 × 16 = 1152/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
1/48 = 1 × 7/48 × 7 = 7/336 - Subtract the two like fractions:
1152/336 - 7/336 = 1152 - 7/336 = 1145/336 - In mixed form: 3137/336
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