Add 63/80 and 48/42
1st number: 63/80, 2nd number: 1 6/42
63/80 + 48/42 is 1081/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 42 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
63/80 = 63 × 21/80 × 21 = 1323/1680 - Likewise, for the 2nd fraction, since 42 × 40 = 1680,
48/42 = 48 × 40/42 × 40 = 1920/1680 - Add the two like fractions:
1323/1680 + 1920/1680 = 1323 + 1920/1680 = 3243/1680 - 3243/1680 simplified gives 1081/560
- So, 63/80 + 48/42 = 1081/560
In mixed form: 1521/560
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