Add 45/7 and 15/90
1st number: 6 3/7, 2nd number: 15/90
45/7 + 15/90 is 277/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
45/7 = 45 × 90/7 × 90 = 4050/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
15/90 = 15 × 7/90 × 7 = 105/630 - Add the two like fractions:
4050/630 + 105/630 = 4050 + 105/630 = 4155/630 - 4155/630 simplified gives 277/42
- So, 45/7 + 15/90 = 277/42
In mixed form: 625/42
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