Add 18/24 and 42/70
18/24 + 42/70 is 27/20.
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,
18/24 = 18 × 35/24 × 35 = 630/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
42/70 = 42 × 12/70 × 12 = 504/840 - Add the two like fractions:
630/840 + 504/840 = 630 + 504/840 = 1134/840 - 1134/840 simplified gives 27/20
- So, 18/24 + 42/70 = 27/20
In mixed form: 17/20
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