Add 72/9 and 90/63
1st number: 8 0/9, 2nd number: 1 27/63
72/9 + 90/63 is 66/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
72/9 = 72 × 7/9 × 7 = 504/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
90/63 = 90 × 1/63 × 1 = 90/63 - Add the two like fractions:
504/63 + 90/63 = 504 + 90/63 = 594/63 - 594/63 simplified gives 66/7
- So, 72/9 + 90/63 = 66/7
In mixed form: 93/7
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