Add 54/7 and 90/45
1st number: 7 5/7, 2nd number: 2 0/45
54/7 + 90/45 is 68/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
54/7 = 54 × 45/7 × 45 = 2430/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
90/45 = 90 × 7/45 × 7 = 630/315 - Add the two like fractions:
2430/315 + 630/315 = 2430 + 630/315 = 3060/315 - 3060/315 simplified gives 68/7
- So, 54/7 + 90/45 = 68/7
In mixed form: 95/7
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