Add 42/24 and 20/70
1st number: 1 18/24, 2nd number: 20/70
42/24 + 20/70 is 57/28.
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,
42/24 = 42 × 35/24 × 35 = 1470/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
20/70 = 20 × 12/70 × 12 = 240/840 - Add the two like fractions:
1470/840 + 240/840 = 1470 + 240/840 = 1710/840 - 1710/840 simplified gives 57/28
- So, 42/24 + 20/70 = 57/28
In mixed form: 21/28
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