Add 90/25 and 42/63
1st number: 3 15/25, 2nd number: 42/63
90/25 + 42/63 is 64/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
90/25 = 90 × 63/25 × 63 = 5670/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
42/63 = 42 × 25/63 × 25 = 1050/1575 - Add the two like fractions:
5670/1575 + 1050/1575 = 5670 + 1050/1575 = 6720/1575 - 6720/1575 simplified gives 64/15
- So, 90/25 + 42/63 = 64/15
In mixed form: 44/15
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