Add 42/15 and 54/56
1st number: 2 12/15, 2nd number: 54/56
42/15 + 54/56 is 527/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
42/15 = 42 × 56/15 × 56 = 2352/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
54/56 = 54 × 15/56 × 15 = 810/840 - Add the two like fractions:
2352/840 + 810/840 = 2352 + 810/840 = 3162/840 - 3162/840 simplified gives 527/140
- So, 42/15 + 54/56 = 527/140
In mixed form: 3107/140
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