Add 42/90 and 70/7
1st number: 42/90, 2nd number: 10 0/7
42/90 + 70/7 is 157/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
42/90 = 42 × 7/90 × 7 = 294/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
70/7 = 70 × 90/7 × 90 = 6300/630 - Add the two like fractions:
294/630 + 6300/630 = 294 + 6300/630 = 6594/630 - 6594/630 simplified gives 157/15
- So, 42/90 + 70/7 = 157/15
In mixed form: 107/15
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