Subtract 7/80 from 36/30
1st number: 1 6/30, 2nd number: 7/80
36/30 - 7/80 is 89/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
36/30 = 36 × 8/30 × 8 = 288/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
7/80 = 7 × 3/80 × 3 = 21/240 - Subtract the two like fractions:
288/240 - 21/240 = 288 - 21/240 = 267/240 - After reducing the fraction, the answer is 89/80
- In mixed form: 19/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30-7/80 36/30-14/80 36/60-7/80 36/30-21/80 36/90-7/80 36/30-35/80 36/30-49/80