Subtract 21/32 from 72/70
1st number: 1 2/70, 2nd number: 21/32
72/70 - 21/32 is 417/1120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 70 × 16 = 1120,
72/70 = 72 × 16/70 × 16 = 1152/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
21/32 = 21 × 35/32 × 35 = 735/1120 - Subtract the two like fractions:
1152/1120 - 735/1120 = 1152 - 735/1120 = 417/1120
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