Add 21/14 and 90/25
1st number: 1 7/14, 2nd number: 3 15/25
21/14 + 90/25 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 25 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 14 × 25 = 350,
21/14 = 21 × 25/14 × 25 = 525/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
90/25 = 90 × 14/25 × 14 = 1260/350 - Add the two like fractions:
525/350 + 1260/350 = 525 + 1260/350 = 1785/350 - 1785/350 simplified gives 51/10
- So, 21/14 + 90/25 = 51/10
In mixed form: 51/10
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