Add 90/75 and 40/63
1st number: 1 15/75, 2nd number: 40/63
90/75 + 40/63 is 578/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 75 × 21 = 1575,
90/75 = 90 × 21/75 × 21 = 1890/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
40/63 = 40 × 25/63 × 25 = 1000/1575 - Add the two like fractions:
1890/1575 + 1000/1575 = 1890 + 1000/1575 = 2890/1575 - 2890/1575 simplified gives 578/315
- So, 90/75 + 40/63 = 578/315
In mixed form: 1263/315
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