Add 42/40 and 81/25
1st number: 1 2/40, 2nd number: 3 6/25
42/40 + 81/25 is 429/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
42/40 = 42 × 5/40 × 5 = 210/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
81/25 = 81 × 8/25 × 8 = 648/200 - Add the two like fractions:
210/200 + 648/200 = 210 + 648/200 = 858/200 - 858/200 simplified gives 429/100
- So, 42/40 + 81/25 = 429/100
In mixed form: 429/100
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