Subtract 72/10 from 49/16
1st number: 3 1/16, 2nd number: 7 2/10
49/16 - 72/10 is -331/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
49/16 = 49 × 5/16 × 5 = 245/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
72/10 = 72 × 8/10 × 8 = 576/80 - Subtract the two like fractions:
245/80 - 576/80 = 245 - 576/80 = -331/80
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