Subtract 98/80 from 70/30
1st number: 2 10/30, 2nd number: 1 18/80
70/30 - 98/80 is 133/120.
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,
70/30 = 70 × 8/30 × 8 = 560/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
98/80 = 98 × 3/80 × 3 = 294/240 - Subtract the two like fractions:
560/240 - 294/240 = 560 - 294/240 = 266/240 - After reducing the fraction, the answer is 133/120
- In mixed form: 113/120
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