Subtract 72/30 from 70/32
1st number: 2 6/32, 2nd number: 2 12/30
70/32 - 72/30 is -17/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 30 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
70/32 = 70 × 15/32 × 15 = 1050/480 - Likewise, for the 2nd fraction, since 30 × 16 = 480,
72/30 = 72 × 16/30 × 16 = 1152/480 - Subtract the two like fractions:
1050/480 - 1152/480 = 1050 - 1152/480 = -102/480 - After reducing the fraction, the answer is -17/80
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