Add 30/7 and 72/90
1st number: 4 2/7, 2nd number: 72/90
30/7 + 72/90 is 178/35.
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,
30/7 = 30 × 90/7 × 90 = 2700/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
72/90 = 72 × 7/90 × 7 = 504/630 - Add the two like fractions:
2700/630 + 504/630 = 2700 + 504/630 = 3204/630 - 3204/630 simplified gives 178/35
- So, 30/7 + 72/90 = 178/35
In mixed form: 53/35
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