Add 40/45 and 7/56
40/45 + 7/56 is 73/72.
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,
7/56 = 7 × 45/56 × 45 = 315/2520 - Add the two like fractions:
2240/2520 + 315/2520 = 2240 + 315/2520 = 2555/2520 - 2555/2520 simplified gives 73/72
- So, 40/45 + 7/56 = 73/72
In mixed form: 11/72
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