Add 15/84 and 90/60
1st number: 15/84, 2nd number: 1 30/60
15/84 + 90/60 is 47/28.
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,
15/84 = 15 × 5/84 × 5 = 75/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
90/60 = 90 × 7/60 × 7 = 630/420 - Add the two like fractions:
75/420 + 630/420 = 75 + 630/420 = 705/420 - 705/420 simplified gives 47/28
- So, 15/84 + 90/60 = 47/28
In mixed form: 119/28
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