Add 60/90 and 20/7
1st number: 60/90, 2nd number: 2 6/7
60/90 + 20/7 is 74/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
60/90 = 60 × 7/90 × 7 = 420/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
20/7 = 20 × 90/7 × 90 = 1800/630 - Add the two like fractions:
420/630 + 1800/630 = 420 + 1800/630 = 2220/630 - 2220/630 simplified gives 74/21
- So, 60/90 + 20/7 = 74/21
In mixed form: 311/21
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