Add 42/56 and 90/15
1st number: 42/56, 2nd number: 6 0/15
42/56 + 90/15 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
42/56 = 42 × 15/56 × 15 = 630/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
90/15 = 90 × 56/15 × 56 = 5040/840 - Add the two like fractions:
630/840 + 5040/840 = 630 + 5040/840 = 5670/840 - 5670/840 simplified gives 27/4
- So, 42/56 + 90/15 = 27/4
In mixed form: 63/4
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