Add 90/84 and 84/60
1st number: 1 6/84, 2nd number: 1 24/60
90/84 + 84/60 is 173/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
84/60 = 84 × 7/60 × 7 = 588/420 - Add the two like fractions:
450/420 + 588/420 = 450 + 588/420 = 1038/420 - 1038/420 simplified gives 173/70
- So, 90/84 + 84/60 = 173/70
In mixed form: 233/70
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