Subtract 2/35 from 70/45
1st number: 1 25/45, 2nd number: 2/35
70/45 - 2/35 is 472/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
70/45 = 70 × 7/45 × 7 = 490/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
2/35 = 2 × 9/35 × 9 = 18/315 - Subtract the two like fractions:
490/315 - 18/315 = 490 - 18/315 = 472/315 - In mixed form: 1157/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45-4/35 70/90-2/35 70/45-2/70 70/45-6/35 70/45-10/35 70/45-14/35