Add 84/48 and 7/20
1st number: 1 36/48, 2nd number: 7/20
84/48 + 7/20 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
84/48 = 84 × 5/48 × 5 = 420/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
7/20 = 7 × 12/20 × 12 = 84/240 - Add the two like fractions:
420/240 + 84/240 = 420 + 84/240 = 504/240 - 504/240 simplified gives 21/10
- So, 84/48 + 7/20 = 21/10
In mixed form: 21/10
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