Add 90/84 and 28/60
1st number: 1 6/84, 2nd number: 28/60
90/84 + 28/60 is 323/210.
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,
28/60 = 28 × 7/60 × 7 = 196/420 - Add the two like fractions:
450/420 + 196/420 = 450 + 196/420 = 646/420 - 646/420 simplified gives 323/210
- So, 90/84 + 28/60 = 323/210
In mixed form: 1113/210
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