Add 70/84 and 21/16
1st number: 70/84, 2nd number: 1 5/16
70/84 + 21/16 is 103/48.
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,
70/84 = 70 × 4/84 × 4 = 280/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
21/16 = 21 × 21/16 × 21 = 441/336 - Add the two like fractions:
280/336 + 441/336 = 280 + 441/336 = 721/336 - 721/336 simplified gives 103/48
- So, 70/84 + 21/16 = 103/48
In mixed form: 27/48
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