Subtract 21/40 from 70/36
1st number: 1 34/36, 2nd number: 21/40
70/36 - 21/40 is 511/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
70/36 = 70 × 10/36 × 10 = 700/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
21/40 = 21 × 9/40 × 9 = 189/360 - Subtract the two like fractions:
700/360 - 189/360 = 700 - 189/360 = 511/360 - In mixed form: 1151/360
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