Add 1/84 and 72/10
1st number: 1/84, 2nd number: 7 2/10
1/84 + 72/10 is 3029/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
72/10 = 72 × 42/10 × 42 = 3024/420 - Add the two like fractions:
5/420 + 3024/420 = 5 + 3024/420 = 3029/420 - So, 1/84 + 72/10 = 3029/420
In mixed form: 789/420
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