Add 7/45 and 72/56
1st number: 7/45, 2nd number: 1 16/56
7/45 + 72/56 is 454/315.
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,
7/45 = 7 × 56/45 × 56 = 392/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
72/56 = 72 × 45/56 × 45 = 3240/2520 - Add the two like fractions:
392/2520 + 3240/2520 = 392 + 3240/2520 = 3632/2520 - 3632/2520 simplified gives 454/315
- So, 7/45 + 72/56 = 454/315
In mixed form: 1139/315
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