Add 45/7 and 90/30
1st number: 6 3/7, 2nd number: 3 0/30
45/7 + 90/30 is 66/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
45/7 = 45 × 30/7 × 30 = 1350/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
90/30 = 90 × 7/30 × 7 = 630/210 - Add the two like fractions:
1350/210 + 630/210 = 1350 + 630/210 = 1980/210 - 1980/210 simplified gives 66/7
- So, 45/7 + 90/30 = 66/7
In mixed form: 93/7
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