Add 72/4 and 42/40
1st number: 18 0/4, 2nd number: 1 2/40
72/4 + 42/40 is 381/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
72/4 = 72 × 10/4 × 10 = 720/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Add the two like fractions:
720/40 + 42/40 = 720 + 42/40 = 762/40 - 762/40 simplified gives 381/20
- So, 72/4 + 42/40 = 381/20
In mixed form: 191/20
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