Add 42/40 and 30/10
1st number: 1 2/40, 2nd number: 3 0/10
42/40 + 30/10 is 81/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
30/10 = 30 × 4/10 × 4 = 120/40 - Add the two like fractions:
42/40 + 120/40 = 42 + 120/40 = 162/40 - 162/40 simplified gives 81/20
- So, 42/40 + 30/10 = 81/20
In mixed form: 41/20
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