Add 84/60 and 21/7
1st number: 1 24/60, 2nd number: 3 0/7
84/60 + 21/7 is 22/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
84/60 = 84 × 7/60 × 7 = 588/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
21/7 = 21 × 60/7 × 60 = 1260/420 - Add the two like fractions:
588/420 + 1260/420 = 588 + 1260/420 = 1848/420 - 1848/420 simplified gives 22/5
- So, 84/60 + 21/7 = 22/5
In mixed form: 42/5
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