Add 40/5 and 72/63
1st number: 8 0/5, 2nd number: 1 9/63
40/5 + 72/63 is 64/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
40/5 = 40 × 63/5 × 63 = 2520/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
72/63 = 72 × 5/63 × 5 = 360/315 - Add the two like fractions:
2520/315 + 360/315 = 2520 + 360/315 = 2880/315 - 2880/315 simplified gives 64/7
- So, 40/5 + 72/63 = 64/7
In mixed form: 91/7
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