Add 40/45 and 63/56
1st number: 40/45, 2nd number: 1 7/56
40/45 + 63/56 is 145/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
40/45 = 40 × 56/45 × 56 = 2240/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
63/56 = 63 × 45/56 × 45 = 2835/2520 - Add the two like fractions:
2240/2520 + 2835/2520 = 2240 + 2835/2520 = 5075/2520 - 5075/2520 simplified gives 145/72
- So, 40/45 + 63/56 = 145/72
In mixed form: 21/72
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