Add 70/56 and 42/90
1st number: 1 14/56, 2nd number: 42/90
70/56 + 42/90 is 103/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
70/56 = 70 × 45/56 × 45 = 3150/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
42/90 = 42 × 28/90 × 28 = 1176/2520 - Add the two like fractions:
3150/2520 + 1176/2520 = 3150 + 1176/2520 = 4326/2520 - 4326/2520 simplified gives 103/60
- So, 70/56 + 42/90 = 103/60
In mixed form: 143/60
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