Add 70/72 and 70/63
1st number: 70/72, 2nd number: 1 7/63
70/72 + 70/63 is 25/12.
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,
70/72 = 70 × 7/72 × 7 = 490/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
70/63 = 70 × 8/63 × 8 = 560/504 - Add the two like fractions:
490/504 + 560/504 = 490 + 560/504 = 1050/504 - 1050/504 simplified gives 25/12
- So, 70/72 + 70/63 = 25/12
In mixed form: 21/12
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