Add 70/90 and 48/28
1st number: 70/90, 2nd number: 1 20/28
70/90 + 48/28 is 157/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
70/90 = 70 × 14/90 × 14 = 980/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
48/28 = 48 × 45/28 × 45 = 2160/1260 - Add the two like fractions:
980/1260 + 2160/1260 = 980 + 2160/1260 = 3140/1260 - 3140/1260 simplified gives 157/63
- So, 70/90 + 48/28 = 157/63
In mixed form: 231/63
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