Add 42/4 and 72/5
1st number: 10 2/4, 2nd number: 14 2/5
42/4 + 72/5 is 249/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
42/4 = 42 × 5/4 × 5 = 210/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
72/5 = 72 × 4/5 × 4 = 288/20 - Add the two like fractions:
210/20 + 288/20 = 210 + 288/20 = 498/20 - 498/20 simplified gives 249/10
- So, 42/4 + 72/5 = 249/10
In mixed form: 249/10
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