Add 10/72 and 84/42
1st number: 10/72, 2nd number: 2 0/42
10/72 + 84/42 is 77/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504 - Likewise, for the 2nd fraction, since 42 × 12 = 504,
84/42 = 84 × 12/42 × 12 = 1008/504 - Add the two like fractions:
70/504 + 1008/504 = 70 + 1008/504 = 1078/504 - 1078/504 simplified gives 77/36
- So, 10/72 + 84/42 = 77/36
In mixed form: 25/36
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