Add 72/63 and 8/45
1st number: 1 9/63, 2nd number: 8/45
72/63 + 8/45 is 416/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
72/63 = 72 × 5/63 × 5 = 360/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
8/45 = 8 × 7/45 × 7 = 56/315 - Add the two like fractions:
360/315 + 56/315 = 360 + 56/315 = 416/315 - So, 72/63 + 8/45 = 416/315
In mixed form: 1101/315
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