Subtract 15/8 from 70/9
1st number: 7 7/9, 2nd number: 1 7/8
70/9 - 15/8 is 425/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
70/9 = 70 × 8/9 × 8 = 560/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
15/8 = 15 × 9/8 × 9 = 135/72 - Subtract the two like fractions:
560/72 - 135/72 = 560 - 135/72 = 425/72 - In mixed form: 565/72
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