Add 90/15 and 40/56
1st number: 6 0/15, 2nd number: 40/56
90/15 + 40/56 is 47/7.
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,
90/15 = 90 × 56/15 × 56 = 5040/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
40/56 = 40 × 15/56 × 15 = 600/840 - Add the two like fractions:
5040/840 + 600/840 = 5040 + 600/840 = 5640/840 - 5640/840 simplified gives 47/7
- So, 90/15 + 40/56 = 47/7
In mixed form: 65/7
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