Add 25/16 and 21/90
1st number: 1 9/16, 2nd number: 21/90
25/16 + 21/90 is 431/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
25/16 = 25 × 45/16 × 45 = 1125/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
21/90 = 21 × 8/90 × 8 = 168/720 - Add the two like fractions:
1125/720 + 168/720 = 1125 + 168/720 = 1293/720 - 1293/720 simplified gives 431/240
- So, 25/16 + 21/90 = 431/240
In mixed form: 1191/240
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