Subtract 15/16 from 70/18
1st number: 3 16/18, 2nd number: 15/16
70/18 - 15/16 is 425/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
70/18 = 70 × 8/18 × 8 = 560/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
15/16 = 15 × 9/16 × 9 = 135/144 - Subtract the two like fractions:
560/144 - 135/144 = 560 - 135/144 = 425/144 - In mixed form: 2137/144
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