Add 21/60 and 90/96
21/60 + 90/96 is 103/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 60 × 8 = 480,
21/60 = 21 × 8/60 × 8 = 168/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
90/96 = 90 × 5/96 × 5 = 450/480 - Add the two like fractions:
168/480 + 450/480 = 168 + 450/480 = 618/480 - 618/480 simplified gives 103/80
- So, 21/60 + 90/96 = 103/80
In mixed form: 123/80
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