Add 1/7 and 90/45
1st number: 1/7, 2nd number: 2 0/45
1/7 + 90/45 is 15/7.
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,
1/7 = 1 × 45/7 × 45 = 45/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
90/45 = 90 × 7/45 × 7 = 630/315 - Add the two like fractions:
45/315 + 630/315 = 45 + 630/315 = 675/315 - 675/315 simplified gives 15/7
- So, 1/7 + 90/45 = 15/7
In mixed form: 21/7
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