Add 75/60 and 84/42
1st number: 1 15/60, 2nd number: 2 0/42
75/60 + 84/42 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
75/60 = 75 × 7/60 × 7 = 525/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
84/42 = 84 × 10/42 × 10 = 840/420 - Add the two like fractions:
525/420 + 840/420 = 525 + 840/420 = 1365/420 - 1365/420 simplified gives 13/4
- So, 75/60 + 84/42 = 13/4
In mixed form: 31/4
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