Add 42/2 and 30/40
1st number: 21 0/2, 2nd number: 30/40
42/2 + 30/40 is 87/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
42/2 = 42 × 20/2 × 20 = 840/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
30/40 = 30 × 1/40 × 1 = 30/40 - Add the two like fractions:
840/40 + 30/40 = 840 + 30/40 = 870/40 - 870/40 simplified gives 87/4
- So, 42/2 + 30/40 = 87/4
In mixed form: 213/4
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