Subtract 49/72 from 90/4
1st number: 22 2/4, 2nd number: 49/72
90/4 - 49/72 is 1571/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
90/4 = 90 × 18/4 × 18 = 1620/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
49/72 = 49 × 1/72 × 1 = 49/72 - Subtract the two like fractions:
1620/72 - 49/72 = 1620 - 49/72 = 1571/72 - In mixed form: 2159/72
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