Add 7/45 and 30/56
7/45 + 30/56 is 871/1260.
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,
30/56 = 30 × 45/56 × 45 = 1350/2520 - Add the two like fractions:
392/2520 + 1350/2520 = 392 + 1350/2520 = 1742/2520 - 1742/2520 simplified gives 871/1260
- So, 7/45 + 30/56 = 871/1260
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