Add 90/24 and 42/70
1st number: 3 18/24, 2nd number: 42/70
90/24 + 42/70 is 87/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
90/24 = 90 × 35/24 × 35 = 3150/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
42/70 = 42 × 12/70 × 12 = 504/840 - Add the two like fractions:
3150/840 + 504/840 = 3150 + 504/840 = 3654/840 - 3654/840 simplified gives 87/20
- So, 90/24 + 42/70 = 87/20
In mixed form: 47/20
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