Add 56/21 and 90/84
1st number: 2 14/21, 2nd number: 1 6/84
56/21 + 90/84 is 157/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
56/21 = 56 × 4/21 × 4 = 224/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
224/84 + 90/84 = 224 + 90/84 = 314/84 - 314/84 simplified gives 157/42
- So, 56/21 + 90/84 = 157/42
In mixed form: 331/42
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