Add 30/28 and 72/16
1st number: 1 2/28, 2nd number: 4 8/16
30/28 + 72/16 is 39/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
30/28 = 30 × 4/28 × 4 = 120/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
72/16 = 72 × 7/16 × 7 = 504/112 - Add the two like fractions:
120/112 + 504/112 = 120 + 504/112 = 624/112 - 624/112 simplified gives 39/7
- So, 30/28 + 72/16 = 39/7
In mixed form: 54/7
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