Add 90/48 and 21/80
1st number: 1 42/48, 2nd number: 21/80
90/48 + 21/80 is 171/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
90/48 = 90 × 5/48 × 5 = 450/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
21/80 = 21 × 3/80 × 3 = 63/240 - Add the two like fractions:
450/240 + 63/240 = 450 + 63/240 = 513/240 - 513/240 simplified gives 171/80
- So, 90/48 + 21/80 = 171/80
In mixed form: 211/80
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