Subtract 72/30 from 70/16
1st number: 4 6/16, 2nd number: 2 12/30
70/16 - 72/30 is 79/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
70/16 = 70 × 15/16 × 15 = 1050/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
72/30 = 72 × 8/30 × 8 = 576/240 - Subtract the two like fractions:
1050/240 - 576/240 = 1050 - 576/240 = 474/240 - After reducing the fraction, the answer is 79/40
- In mixed form: 139/40
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