Add 42/24 and 72/70
1st number: 1 18/24, 2nd number: 1 2/70
42/24 + 72/70 is 389/140.
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,
72/70 = 72 × 12/70 × 12 = 864/840 - Add the two like fractions:
1470/840 + 864/840 = 1470 + 864/840 = 2334/840 - 2334/840 simplified gives 389/140
- So, 42/24 + 72/70 = 389/140
In mixed form: 2109/140
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