Add 18/70 and 42/24
1st number: 18/70, 2nd number: 1 18/24
18/70 + 42/24 is 281/140.
Steps for adding 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,
18/70 = 18 × 12/70 × 12 = 216/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
42/24 = 42 × 35/24 × 35 = 1470/840 - Add the two like fractions:
216/840 + 1470/840 = 216 + 1470/840 = 1686/840 - 1686/840 simplified gives 281/140
- So, 18/70 + 42/24 = 281/140
In mixed form: 21/140
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