Add 42/45 and 63/56
1st number: 42/45, 2nd number: 1 7/56
42/45 + 63/56 is 247/120.
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,
42/45 = 42 × 56/45 × 56 = 2352/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
63/56 = 63 × 45/56 × 45 = 2835/2520 - Add the two like fractions:
2352/2520 + 2835/2520 = 2352 + 2835/2520 = 5187/2520 - 5187/2520 simplified gives 247/120
- So, 42/45 + 63/56 = 247/120
In mixed form: 27/120
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