Add 72/63 and 5/40
1st number: 1 9/63, 2nd number: 5/40
72/63 + 5/40 is 71/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
72/63 = 72 × 40/63 × 40 = 2880/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
5/40 = 5 × 63/40 × 63 = 315/2520 - Add the two like fractions:
2880/2520 + 315/2520 = 2880 + 315/2520 = 3195/2520 - 3195/2520 simplified gives 71/56
- So, 72/63 + 5/40 = 71/56
In mixed form: 115/56
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