Add 90/72 and 40/63
1st number: 1 18/72, 2nd number: 40/63
90/72 + 40/63 is 475/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
90/72 = 90 × 7/72 × 7 = 630/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
40/63 = 40 × 8/63 × 8 = 320/504 - Add the two like fractions:
630/504 + 320/504 = 630 + 320/504 = 950/504 - 950/504 simplified gives 475/252
- So, 90/72 + 40/63 = 475/252
In mixed form: 1223/252
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