Add 72/40 and 56/63
1st number: 1 32/40, 2nd number: 56/63
72/40 + 56/63 is 121/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 40 × 63 = 2520,
72/40 = 72 × 63/40 × 63 = 4536/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
56/63 = 56 × 40/63 × 40 = 2240/2520 - Add the two like fractions:
4536/2520 + 2240/2520 = 4536 + 2240/2520 = 6776/2520 - 6776/2520 simplified gives 121/45
- So, 72/40 + 56/63 = 121/45
In mixed form: 231/45
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