Subtract 63/15 from 70/9
1st number: 7 7/9, 2nd number: 4 3/15
70/9 - 63/15 is 161/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
63/15 = 63 × 3/15 × 3 = 189/45 - Subtract the two like fractions:
350/45 - 189/45 = 350 - 189/45 = 161/45 - In mixed form: 326/45
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