Add 45/84 and 56/20
1st number: 45/84, 2nd number: 2 16/20
45/84 + 56/20 is 467/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
45/84 = 45 × 5/84 × 5 = 225/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
56/20 = 56 × 21/20 × 21 = 1176/420 - Add the two like fractions:
225/420 + 1176/420 = 225 + 1176/420 = 1401/420 - 1401/420 simplified gives 467/140
- So, 45/84 + 56/20 = 467/140
In mixed form: 347/140
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