Add 42/45 and 7/56
42/45 + 7/56 is 127/120.
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,
7/56 = 7 × 45/56 × 45 = 315/2520 - Add the two like fractions:
2352/2520 + 315/2520 = 2352 + 315/2520 = 2667/2520 - 2667/2520 simplified gives 127/120
- So, 42/45 + 7/56 = 127/120
In mixed form: 17/120
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