Subtract 70/32 from 21/30
1st number: 21/30, 2nd number: 2 6/32
21/30 - 70/32 is -119/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
21/30 = 21 × 16/30 × 16 = 336/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
70/32 = 70 × 15/32 × 15 = 1050/480 - Subtract the two like fractions:
336/480 - 1050/480 = 336 - 1050/480 = -714/480 - After reducing the fraction, the answer is -119/80
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