Add 70/15 and 28/48
1st number: 4 10/15, 2nd number: 28/48
70/15 + 28/48 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
70/15 = 70 × 16/15 × 16 = 1120/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
28/48 = 28 × 5/48 × 5 = 140/240 - Add the two like fractions:
1120/240 + 140/240 = 1120 + 140/240 = 1260/240 - 1260/240 simplified gives 21/4
- So, 70/15 + 28/48 = 21/4
In mixed form: 51/4
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