Add 42/20 and 40/25
1st number: 2 2/20, 2nd number: 1 15/25
42/20 + 40/25 is 37/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
42/20 = 42 × 5/20 × 5 = 210/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
40/25 = 40 × 4/25 × 4 = 160/100 - Add the two like fractions:
210/100 + 160/100 = 210 + 160/100 = 370/100 - 370/100 simplified gives 37/10
- So, 42/20 + 40/25 = 37/10
In mixed form: 37/10
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