Add 20/21 and 56/48
1st number: 20/21, 2nd number: 1 8/48
20/21 + 56/48 is 89/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
20/21 = 20 × 16/21 × 16 = 320/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
56/48 = 56 × 7/48 × 7 = 392/336 - Add the two like fractions:
320/336 + 392/336 = 320 + 392/336 = 712/336 - 712/336 simplified gives 89/42
- So, 20/21 + 56/48 = 89/42
In mixed form: 25/42
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