Subtract 21/80 from 4/3
1st number: 1 1/3, 2nd number: 21/80
4/3 - 21/80 is 257/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
4/3 = 4 × 80/3 × 80 = 320/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
21/80 = 21 × 3/80 × 3 = 63/240 - Subtract the two like fractions:
320/240 - 63/240 = 320 - 63/240 = 257/240 - In mixed form: 117/240
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