Add 84/60 and 45/28
1st number: 1 24/60, 2nd number: 1 17/28
84/60 + 45/28 is 421/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 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 28 × 15 = 420,
45/28 = 45 × 15/28 × 15 = 675/420 - Add the two like fractions:
588/420 + 675/420 = 588 + 675/420 = 1263/420 - 1263/420 simplified gives 421/140
- So, 84/60 + 45/28 = 421/140
In mixed form: 31/140
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