Add 1/90 and 84/56
1st number: 1/90, 2nd number: 1 28/56
1/90 + 84/56 is 68/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
1/90 = 1 × 28/90 × 28 = 28/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
84/56 = 84 × 45/56 × 45 = 3780/2520 - Add the two like fractions:
28/2520 + 3780/2520 = 28 + 3780/2520 = 3808/2520 - 3808/2520 simplified gives 68/45
- So, 1/90 + 84/56 = 68/45
In mixed form: 123/45
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