Add 84/56 and 7/90
1st number: 1 28/56, 2nd number: 7/90
84/56 + 7/90 is 71/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
84/56 = 84 × 45/56 × 45 = 3780/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
7/90 = 7 × 28/90 × 28 = 196/2520 - Add the two like fractions:
3780/2520 + 196/2520 = 3780 + 196/2520 = 3976/2520 - 3976/2520 simplified gives 71/45
- So, 84/56 + 7/90 = 71/45
In mixed form: 126/45
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