Subtract 49/24 from 90/70
1st number: 1 20/70, 2nd number: 2 1/24
90/70 - 49/24 is -127/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
90/70 = 90 × 12/70 × 12 = 1080/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
49/24 = 49 × 35/24 × 35 = 1715/840 - Subtract the two like fractions:
1080/840 - 1715/840 = 1080 - 1715/840 = -635/840 - After reducing the fraction, the answer is -127/168
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