Add 72/84 and 20/16
1st number: 72/84, 2nd number: 1 4/16
72/84 + 20/16 is 59/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
72/84 = 72 × 4/84 × 4 = 288/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
20/16 = 20 × 21/16 × 21 = 420/336 - Add the two like fractions:
288/336 + 420/336 = 288 + 420/336 = 708/336 - 708/336 simplified gives 59/28
- So, 72/84 + 20/16 = 59/28
In mixed form: 23/28
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